it chash right after loading here is crash report 

 

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 5/16/20 7:04 PM
Description: Initializing game

java.lang.NullPointerException: Initializing game
    at de.cas_ual_ty.guncus.item.ItemGun.func_77624_a(ItemGun.java:687) ~[?:1.15.2-1.1] {re:classloading}
    at net.minecraft.item.ItemStack.func_82840_a(ItemStack.java:562) ~[?:?] {re:classloading}
    at net.minecraft.client.Minecraft.lambda$populateSearchTreeManager$6(Minecraft.java:583) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft$$Lambda$3999/1343134043.apply(Unknown Source) ~[?:?] {}
    at net.minecraft.client.util.SearchTree.func_194042_b(SourceFile:36) ~[?:?] {re:classloading}
    at net.minecraft.client.util.SearchTreeReloadable.func_217872_a(SourceFile:48) ~[?:?] {re:classloading}
    at net.minecraft.client.Minecraft.lambda$populateSearchTreeManager$9(Minecraft.java:601) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft$$Lambda$4008/952876299.accept(Unknown Source) ~[?:?] {}
    at java.lang.Iterable.forEach(Iterable.java:75) ~[?:1.8.0_51] {}
    at net.minecraft.client.Minecraft.func_193986_ar(Minecraft.java:600) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.<init>(Minecraft.java:435) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.main.Main.main(SourceFile:166) [?:?] {re:classloading}
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] {}
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] {}
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] {}
    at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] {}
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:56) [forge-1.15.2-31.1.0.jar:31.1] {}
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$420/893320639.call(Unknown Source) [forge-1.15.2-31.1.0.jar:31.1] {}
    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-5.0.0-milestone.4.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-5.0.0-milestone.4.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-5.0.0-milestone.4.jar:?] {}
    at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-5.0.0-milestone.4.jar:?] {}
    at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-5.0.0-milestone.4.jar:?] {}

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

-- Head --
Thread: Render thread
Stacktrace:
    at de.cas_ual_ty.guncus.item.ItemGun.func_77624_a(ItemGun.java:687)
    at net.minecraft.item.ItemStack.func_82840_a(ItemStack.java:562)
    at net.minecraft.client.Minecraft.lambda$populateSearchTreeManager$6(Minecraft.java:583)
    at net.minecraft.client.Minecraft$$Lambda$3999/1343134043.apply(Unknown Source)
    at net.minecraft.client.util.SearchTree.func_194042_b(SourceFile:36)
    at net.minecraft.client.util.SearchTreeReloadable.func_217872_a(SourceFile:48)
    at net.minecraft.client.Minecraft.lambda$populateSearchTreeManager$9(Minecraft.java:601)
    at net.minecraft.client.Minecraft$$Lambda$4008/952876299.accept(Unknown Source)
    at java.lang.Iterable.forEach(Iterable.java:75)
    at net.minecraft.client.Minecraft.func_193986_ar(Minecraft.java:600)
    at net.minecraft.client.Minecraft.<init>(Minecraft.java:435)

-- Initialization --
Details:
Stacktrace:
    at net.minecraft.client.main.Main.main(SourceFile:166)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:56)
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$420/893320639.call(Unknown Source)
    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)
    at cpw.mods.modlauncher.Launcher.run(Launcher.java:81)
    at cpw.mods.modlauncher.Launcher.main(Launcher.java:65)

-- System Details --
Details:
    Minecraft Version: 1.15.2
    Minecraft Version ID: 1.15.2
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_51, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 1380098728 bytes (1316 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
    CPUs: 8
    JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
    ModLauncher: 5.0.0-milestone.4+67+b1a340b
    ModLauncher launch target: fmlclient
    ModLauncher naming: srg
    ModLauncher services: 
        /eventbus-2.0.0-milestone.1-service.jar eventbus PLUGINSERVICE 
        /forge-1.15.2-31.1.0.jar object_holder_definalize PLUGINSERVICE 
        /forge-1.15.2-31.1.0.jar runtime_enum_extender PLUGINSERVICE 
        /accesstransformers-2.0.0-milestone.1-shadowed.jar accesstransformer PLUGINSERVICE 
        /forge-1.15.2-31.1.0.jar capability_inject_definalize PLUGINSERVICE 
        /forge-1.15.2-31.1.0.jar runtimedistcleaner PLUGINSERVICE 
        /forge-1.15.2-31.1.0.jar fml TRANSFORMATIONSERVICE 
    FML: 31.1
    Forge: net.minecraftforge:31.1.0
    FML Language Providers: 
        [email protected]
        minecraft@1
    Mod List: 
        forge-1.15.2-31.1.0-client.jar Minecraft {[email protected] LOAD_REGISTRIES}
        torchmaster-2.1.1-rc0.jar Torchmaster {[email protected] LOAD_REGISTRIES}
        pamhc2trees-1.15.2-1.0.4.jar Pam's HarvestCraft 2 Fruit Trees {pamhc2trees@version LOAD_REGISTRIES}
        BiomesOPlenty-1.15.2-10.0.0.345-universal.jar Biomes O' Plenty {[email protected] LOAD_REGISTRIES}
        valhelsia_structures-15.0.2a.jar Valhelsia Structures {[email protected] LOAD_REGISTRIES}
        pamhc2crops-1.15.2-1.0.4.jar Pam's HarvestCraft 2 Crops {pamhc2crops@version LOAD_REGISTRIES}
        jei-1.15.2-6.0.0.4.jar Just Enough Items {[email protected] LOAD_REGISTRIES}
        gaiadimension-1.15.2-1.2.1.jar The Gaia Dimension {[email protected] LOAD_REGISTRIES}
        goldenhopper-1.1.1-1.15.2.jar Golden Hopper {[email protected] LOAD_REGISTRIES}
        ForgeEndertech-1.15.2-6.0.3.0-build.0036.jar Forge Endertech {[email protected] LOAD_REGISTRIES}
        AdLods-1.15.2-3.0.3.0-build.0035.jar Large Ore Deposits {[email protected] LOAD_REGISTRIES}
        pamhc2foodcore-1.15.2-1.0.3.jar Pam's HarvestCraft 2 Food Core {pamhc2foodcore@version LOAD_REGISTRIES}
        OreExcavation-1.7.151.jar Ore Excavation {oreexcavation@NONE LOAD_REGISTRIES}
        themidnight-0.5.7-3.jar The Midnight {[email protected] LOAD_REGISTRIES}
        DungeonCrawl-1.15.2-1.6.3.jar Dungeon Crawl {[email protected] LOAD_REGISTRIES}
        wirelessredstone-1.15.2-0.1.0.jar Wireless Redstone {[email protected] LOAD_REGISTRIES}
        guncus-1.15.2-1.1 (1).jar Gun Customization {[email protected] LOAD_REGISTRIES}
        mcw-roofs-1.0.2-mc1.15.2_1.15.1.jar Macaw's Roofs {[email protected] LOAD_REGISTRIES}
        interiormod-1.15.2-1.2.2.jar TheMCBrothers Interior Mod {[email protected] LOAD_REGISTRIES}
        furniture-7.0.0-pre16-1.15.1.jar MrCrayfish's Furniture Mod {[email protected] LOAD_REGISTRIES}
        mobcatcher-2.2.jar Mob Catcher {[email protected] LOAD_REGISTRIES}
        almostalltheores-2.0.2.4.jar Almost All the Ores {[email protected] LOAD_REGISTRIES}
        enchantability-6.1.jar Enchantability {[email protected] ERROR}
        forge-1.15.2-31.1.0-universal.jar Forge {[email protected] LOAD_REGISTRIES}
        luckyores-1.15.2-1.3.1.jar Lucky Ores Mod {[email protected] LOAD_REGISTRIES}
        Cyclic-1.15.2-0.1.7.jar Cyclic {[email protected] LOAD_REGISTRIES}
        Amethyst_Mod.jar Test {[email protected] LOAD_REGISTRIES}
    Launched Version: 1.15.2-forge-31.1.0
    Backend library: LWJGL version 3.2.2 build 10
    Backend API: AMD Radeon(TM) Vega 8 Graphics GL version 4.6.13560 Compatibility Profile Context 26.20.11026.12, ATI Technologies Inc.
    GL Caps: Using framebuffer using OpenGL 3.0
    Using VBOs: Yes
    Is Modded: Definitely; Client brand changed to 'forge'
    Type: Client (map_client.txt)
    CPU: 8x AMD Ryzen 5 3550H with Radeon Vega Mobile Gfx

Never mind the mod enchantableity broke things