I have instaled securitycraft and my mod :
[26avr.2022 18:48:31.579] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--gameDir, ., --launchTarget, fmluserdevclient, --fml.mcpVersion, 20210115.111550, --fml.mcVersion, 1.16.5, --fml.forgeGroup, net.minecraftforge, --fml.forgeVersion, 36.2.31, --assetIndex, 1.16, --assetsDir, C:\Users\squal\.gradle\caches\forge_gradle\assets, --version, MOD_DEV, --username, Dev, --accessToken, ????????, --userProperties, {}]
[26avr.2022 18:48:31.583] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 8.1.3+8.1.3+main-8.1.x.c94d18ec starting: java version 1.8.0_311 by Oracle Corporation
[26avr.2022 18:48:32.474] [main/INFO] [net.minecraftforge.fml.loading.FixSSL/CORE]: Added Lets Encrypt root certificates as additional trust
[26avr.2022 18:48:32.525] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.4 Source=file:/C:/Users/squal/.gradle/caches/modules-2/files-2.1/org.spongepowered/mixin/0.8.4/4ec7d77d9ab32596ca0b78bb123956734767e3a/mixin-0.8.4.jar Service=ModLauncher Env=CLIENT
[26avr.2022 18:48:34.604] [main/INFO] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Launching target 'fmluserdevclient' with arguments [--version, MOD_DEV, --gameDir, ., --assetsDir, C:\Users\squal\.gradle\caches\forge_gradle\assets, --assetIndex, 1.16, --username, Dev, --accessToken, ????????, --userProperties, {}]
[26avr.2022 18:48:35.070] [main/WARN] [mixin/]: Error loading class: me/cominixo/betterf3/modules/TargetModule (java.lang.ClassNotFoundException: null)
[26avr.2022 18:48:35.070] [main/WARN] [mixin/]: @Mixin target me.cominixo.betterf3.modules.TargetModule was not found securitycraft.mixins.json:f3.BetterF3TargetModuleMixin
[26avr.2022 18:48:35.345] [main/FATAL] [mixin/]: Mixin apply failed securitycraft.mixins.json:piston.WorldMixin -> net.minecraft.world.World: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException @Shadow field field_175730_i was not located in the target class net.minecraft.world.World. Using refmap securitycraft.refmap.json
org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: @Shadow field field_175730_i was not located in the target class net.minecraft.world.World. Using refmap securitycraft.refmap.json
    at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attachFields(MixinPreProcessorStandard.java:629) ~[mixin-0.8.4.jar:0.8.4+Jenkins-b308.git-2accda5000f7602229606b39437565542cc6fba4]
    at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:305) ~[mixin-0.8.4.jar:0.8.4+Jenkins-b308.git-2accda5000f7602229606b39437565542cc6fba4]
    at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:280) ~[mixin-0.8.4.jar:0.8.4+Jenkins-b308.git-2accda5000f7602229606b39437565542cc6fba4]
    at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1288) ~[mixin-0.8.4.jar:0.8.4+Jenkins-b308.git-2accda5000f7602229606b39437565542cc6fba4]
    at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:292) ~[mixin-0.8.4.jar:0.8.4+Jenkins-b308.git-2accda5000f7602229606b39437565542cc6fba4]
    at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:383) ~[mixin-0.8.4.jar:0.8.4+Jenkins-b308.git-2accda5000f7602229606b39437565542cc6fba4]
    at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:365) ~[mixin-0.8.4.jar:0.8.4+Jenkins-b308.git-2accda5000f7602229606b39437565542cc6fba4]
    at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363) ~[mixin-0.8.4.jar:0.8.4+Jenkins-b308.git-2accda5000f7602229606b39437565542cc6fba4]
    at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250) ~[mixin-0.8.4.jar:0.8.4+Jenkins-b308.git-2accda5000f7602229606b39437565542cc6fba4]
    at org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131) ~[mixin-0.8.4.jar:0.8.4+Jenkins-b308.git-2accda5000f7602229606b39437565542cc6fba4]
    at org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131) ~[mixin-0.8.4.jar:0.8.4+Jenkins-b308.git-2accda5000f7602229606b39437565542cc6fba4]
    at cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:154) ~[modlauncher-8.1.3.jar:8.1.3+8.1.3+main-8.1.x.c94d18ec]
    at cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:85) ~[modlauncher-8.1.3.jar:?]
    at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120) ~[modlauncher-8.1.3.jar:?]
    at cpw.mods.modlauncher.TransformingClassLoader$DelegatedClassLoader.findClass(TransformingClassLoader.java:265) ~[modlauncher-8.1.3.jar:?]
    at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:136) ~[modlauncher-8.1.3.jar:?]
    at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:98) ~[modlauncher-8.1.3.jar:?]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_311]
    at net.minecraft.client.main.Main.main(Main.java:118) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_311]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_311]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_311]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_311]
    at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:52) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?]
    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?]
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?]
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?]
    at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?]
    at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?]
    at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:108) [forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?]
[26avr.2022 18:48:35.357] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
[26avr.2022 18:48:35.357] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:39)
[26avr.2022 18:48:35.358] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)
[26avr.2022 18:48:35.358] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)
[26avr.2022 18:48:35.358] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at cpw.mods.modlauncher.Launcher.run(Launcher.java:82)
[26avr.2022 18:48:35.359] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at cpw.mods.modlauncher.Launcher.main(Launcher.java:66)
[26avr.2022 18:48:35.359] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1052]:     at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:108)
[26avr.2022 18:48:35.359] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]: Caused by: java.lang.reflect.InvocationTargetException
[26avr.2022 18:48:35.360] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[26avr.2022 18:48:35.360] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[26avr.2022 18:48:35.360] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[26avr.2022 18:48:35.360] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:     at java.lang.reflect.Method.invoke(Method.java:498)
[26avr.2022 18:48:35.360] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:     at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:52)
[26avr.2022 18:48:35.361] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:     at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
[26avr.2022 18:48:35.361] [main/INFO] [STDERR/]: [java.lang.ThreadGroup:uncaughtException:1061]:     ... 5 more
[26avr.2022 18:48:35.361] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]: Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
[26avr.2022 18:48:35.361] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392)
[26avr.2022 18:48:35.361] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250)
[26avr.2022 18:48:35.361] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131)
[26avr.2022 18:48:35.361] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131)
[26avr.2022 18:48:35.362] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:154)
[26avr.2022 18:48:35.362] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:85)
[26avr.2022 18:48:35.362] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120)
[26avr.2022 18:48:35.362] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at cpw.mods.modlauncher.TransformingClassLoader$DelegatedClassLoader.findClass(TransformingClassLoader.java:265)
[26avr.2022 18:48:35.363] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:136)
[26avr.2022 18:48:35.363] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:98)
[26avr.2022 18:48:35.363] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
[26avr.2022 18:48:35.363] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     at net.minecraft.client.main.Main.main(Main.java:118)
[26avr.2022 18:48:35.364] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]:     ... 11 more
[26avr.2022 18:48:35.364] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:668]: Caused by: org.spongepowered.asm.mixin.throwables.MixinApplyError: Mixin [securitycraft.mixins.json:piston.WorldMixin] from phase [DEFAULT] in config [securitycraft.mixins.json] FAILED during APPLY
[26avr.2022 18:48:35.364] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:668]:     at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinError(MixinProcessor.java:636)
[26avr.2022 18:48:35.364] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:668]:     at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinApplyError(MixinProcessor.java:588)
[26avr.2022 18:48:35.364] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:668]:     at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:379)
[26avr.2022 18:48:35.364] [main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:668]:     ... 22 more
[26avr.2022 18:48:35.364] [main/INFO] [STDERR/]: [java.lang.Throwable:printEnclosedStackTrace:710]: Caused by: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: @Shadow field field_175730_i was not located in the target class net.minecraft.world.World. Using refmap securitycraft.refmap.json
[26avr.2022 18:48:35.365] [main/INFO] [STDERR/]: [java.lang.Throwable:printEnclosedStackTrace:710]:     at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attachFields(MixinPreProcessorStandard.java:629)
[26avr.2022 18:48:35.365] [main/INFO] [STDERR/]: [java.lang.Throwable:printEnclosedStackTrace:710]:     at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:305)
[26avr.2022 18:48:35.365] [main/INFO] [STDERR/]: [java.lang.Throwable:printEnclosedStackTrace:710]:     at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:280)
[26avr.2022 18:48:35.365] [main/INFO] [STDERR/]: [java.lang.Throwable:printEnclosedStackTrace:710]:     at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1288)
[26avr.2022 18:48:35.365] [main/INFO] [STDERR/]: [java.lang.Throwable:printEnclosedStackTrace:710]:     at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:292)
[26avr.2022 18:48:35.380] [main/INFO] [STDERR/]: [java.lang.Throwable:printEnclosedStackTrace:710]:     at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:383)
[26avr.2022 18:48:35.380] [main/INFO] [STDERR/]: [java.lang.Throwable:printEnclosedStackTrace:710]:     at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:365)
[26avr.2022 18:48:35.381] [main/INFO] [STDERR/]: [java.lang.Throwable:printEnclosedStackTrace:710]:     at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363)
[26avr.2022 18:48:35.382] [main/INFO] [STDERR/]: [java.lang.Throwable:printEnclosedStackTrace:710]:     ... 22 more
 

Edited April 26, 20223 yr by theProgramer_J
crash

in folder crashreport:
 

---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 23/03/22 14:51
Description: Mod loading error has occurred

java.lang.Exception: Mod Loading has failed
    at net.minecraftforge.fml.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:85) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading}
    at net.minecraftforge.fml.client.ClientModLoader.completeModLoading(ClientModLoader.java:188) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.lambda$null$1(Minecraft.java:508) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.util.Util.ifElse(Util.java:320) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading}
    at net.minecraft.client.Minecraft.lambda$new$2(Minecraft.java:504) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.gui.ResourceLoadProgressGui.render(ResourceLoadProgressGui.java:113) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.client.renderer.GameRenderer.render(GameRenderer.java:481) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.runTick(Minecraft.java:977) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.run(Minecraft.java:607) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.main.Main.main(Main.java:184) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_311] {}
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_311] {}
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_311] {}
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_311] {}
    at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:52) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {}
    at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {}
    at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {}
    at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:108) [forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {}

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Render thread
Stacktrace:
    at net.minecraftforge.fml.CrashReportExtender.lambda$dumpModLoadingCrashReport$7(CrashReportExtender.java:88) ~[forge:?] {re:classloading}
-- NO MOD INFO AVAILABLE --
Details:
    Mod File: NO FILE INFO
    Failure message: mods.toml missing metadata for modid test
    Mod Version: NO MOD INFO AVAILABLE
    Mod Issue URL: NOT PROVIDED
    Exception message: MISSING EXCEPTION MESSAGE
Stacktrace:
    at net.minecraftforge.fml.CrashReportExtender.lambda$dumpModLoadingCrashReport$7(CrashReportExtender.java:88) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading}
    at java.util.ArrayList.forEach(ArrayList.java:1259) ~[?:1.8.0_311] {}
    at net.minecraftforge.fml.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:86) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading}
    at net.minecraftforge.fml.client.ClientModLoader.completeModLoading(ClientModLoader.java:188) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.lambda$null$1(Minecraft.java:508) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.util.Util.ifElse(Util.java:320) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading}
    at net.minecraft.client.Minecraft.lambda$new$2(Minecraft.java:504) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.gui.ResourceLoadProgressGui.render(ResourceLoadProgressGui.java:113) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.client.renderer.GameRenderer.render(GameRenderer.java:481) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.runTick(Minecraft.java:977) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.run(Minecraft.java:607) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.main.Main.main(Main.java:184) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_311] {}
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_311] {}
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_311] {}
    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_311] {}
    at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:52) ~[forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {}
    at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {}
    at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {}
    at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:108) [forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp.jar:?] {}

-- System Details --
Details:
    Minecraft Version: 1.16.5
    Minecraft Version ID: 1.16.5
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_311, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 176897480 bytes (168 MB) / 1043857408 bytes (995 MB) up to 1883242496 bytes (1796 MB)
    CPUs: 4
    JVM Flags: 2 total; -XX:+IgnoreUnrecognizedVMOptions -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
    ModLauncher: 8.1.3+8.1.3+main-8.1.x.c94d18ec
    ModLauncher launch target: fmluserdevclient
    ModLauncher naming: mcp
    ModLauncher services: 
        /mixin-0.8.4.jar mixin PLUGINSERVICE 
        /eventbus-4.0.0.jar eventbus PLUGINSERVICE 
        /forge-1.16.5-36.2.31_mapped_official_1.16.5-launcher.jar object_holder_definalize PLUGINSERVICE 
        /forge-1.16.5-36.2.31_mapped_official_1.16.5-launcher.jar runtime_enum_extender PLUGINSERVICE 
        /accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE 
        /forge-1.16.5-36.2.31_mapped_official_1.16.5-launcher.jar capability_inject_definalize PLUGINSERVICE 
        /forge-1.16.5-36.2.31_mapped_official_1.16.5-launcher.jar runtimedistcleaner PLUGINSERVICE 
        /mixin-0.8.4.jar mixin TRANSFORMATIONSERVICE 
        /forge-1.16.5-36.2.31_mapped_official_1.16.5-launcher.jar fml TRANSFORMATIONSERVICE 
    FML: 36.2
    Forge: net.minecraftforge:36.2.31
    FML Language Providers: 
        [email protected]
        minecraft@1
    Mod List: 
        client-extra.jar                                  |Minecraft                     |minecraft                     |1.16.5              |NONE      |Manifest: a1:d4:5e:04:4f:d3:d6:e0:7b:37:97:cf:77:b0:de:ad:4a:47:ce:8c:96:49:5f:0a:cf:8c:ae:b2:6d:4b:8a:3f
        forge-1.16.5-36.2.31_mapped_official_1.16.5-recomp|Forge                         |forge                         |36.2.31             |NONE      |Manifest: NOSIGNATURE
        main                                              |Example Mod                   |examplemod                    |NONE                |NONE      |Manifest: NOSIGNATURE

when I do gradlew build I get two .jars in mod_1.16\build\libs: test.jar (my modid) and modid.jar. do you know why?