Hello, my mod keeps crashing for some reason. If you could point it out, that would be great. Here's the crash report:

---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 11/17/20 6:53 PM
Description: Mod loading error has occurred

java.lang.Exception: Mod Loading has failed
   at net.minecraftforge.fml.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:85) ~[forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar:?] {re:classloading}
   at net.minecraftforge.fml.client.ClientModLoader.completeModLoading(ClientModLoader.java:188) ~[forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.lambda$null$1(Minecraft.java:499) ~[forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.util.Util.acceptOrElse(Util.java:323) ~[forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar:?] {re:classloading}
   at net.minecraft.client.Minecraft.lambda$new$2(Minecraft.java:495) ~[forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.gui.ResourceLoadProgressGui.render(ResourceLoadProgressGui.java:113) ~[forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.GameRenderer.updateCameraAndRender(GameRenderer.java:492) ~[forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:979) ~[forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.run(Minecraft.java:589) ~[forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.main.Main.main(Main.java:184) ~[forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_265] {}
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_265] {}
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_265] {}
   at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_265] {}
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:52) ~[forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-7.0.1.jar:?] {}
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-7.0.1.jar:?] {}
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:105) [forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-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.registries.DeferredRegister.register(DeferredRegister.java:125) ~[?:?] {re:classloading}
-- MOD blocksthatmoveyou --
Details:
   Caused by 0: java.lang.ExceptionInInitializerError
      at com.mrinfinity.motionblocks.BlocksthatMoveyou.<init>(BlocksthatMoveyou.java:22) ~[?:?] {re:classloading}
      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_265] {}
      at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_265] {}
      at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_265] {}
      at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_265] {}
      at java.lang.Class.newInstance(Class.java:442) ~[?:1.8.0_265] {}
      at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:81) ~[?:34.1] {re:classloading}
      at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:111) ~[?:?] {re:classloading}
      at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1640) ~[?:1.8.0_265] {}
      at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1632) ~[?:1.8.0_265] {}
      at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_265] {}
      at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_265] {}
      at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) ~[?:1.8.0_265] {}
      at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:175) ~[?:1.8.0_265] {}

   Mod File: main
   Failure message: Conveyors (blocksthatmoveyou) has failed to load correctly
      java.lang.ExceptionInInitializerError: null
   Mod Version: 1.16.3-1.0.0
   Mod Issue URL: http://my.issue.tracker/
   Exception message: java.lang.IllegalArgumentException: Duplicate registration curved_belt
Stacktrace:
   at net.minecraftforge.registries.DeferredRegister.register(DeferredRegister.java:125) ~[?:?] {re:classloading}
   at com.mrinfinity.motionblocks.util.RegistryHandler.<clinit>(RegistryHandler.java:36) ~[?:?] {re:classloading}
   at com.mrinfinity.motionblocks.BlocksthatMoveyou.<init>(BlocksthatMoveyou.java:22) ~[?:?] {re:classloading}
   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_265] {}
   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_265] {}
   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_265] {}
   at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_265] {}
   at java.lang.Class.newInstance(Class.java:442) ~[?:1.8.0_265] {}
   at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:81) ~[?:34.1] {re:classloading}
   at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:111) ~[?:?] {re:classloading}
   at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1640) ~[?:1.8.0_265] {}
   at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1632) ~[?:1.8.0_265] {}
   at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_265] {}
   at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_265] {}
   at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) ~[?:1.8.0_265] {}
   at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:175) ~[?:1.8.0_265] {}


-- System Details --
Details:
   Minecraft Version: 1.16.3
   Minecraft Version ID: 1.16.3
   Operating System: Windows 10 (amd64) version 10.0
   Java Version: 1.8.0_265, AdoptOpenJDK
   Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), AdoptOpenJDK
   Memory: 723057608 bytes (689 MB) / 1004535808 bytes (958 MB) up to 1901592576 bytes (1813 MB)
   CPUs: 4
   JVM Flags: 1 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
   ModLauncher: 7.0.1+78+master.e9771d8
   ModLauncher launch target: fmluserdevclient
   ModLauncher naming: mcp
   ModLauncher services: 
      /mixin-0.8.2.jar mixin PLUGINSERVICE 
      /eventbus-3.0.3-service.jar eventbus PLUGINSERVICE 
      /forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-launcher.jar object_holder_definalize PLUGINSERVICE 
      /forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-launcher.jar runtime_enum_extender PLUGINSERVICE 
      /accesstransformers-2.2.0-shadowed.jar accesstransformer PLUGINSERVICE 
      /forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-launcher.jar capability_inject_definalize PLUGINSERVICE 
      /forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-launcher.jar runtimedistcleaner PLUGINSERVICE 
      /mixin-0.8.2.jar mixin TRANSFORMATIONSERVICE 
      /forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-launcher.jar fml TRANSFORMATIONSERVICE 
   FML: 34.1
   Forge: net.minecraftforge:34.1.10
   FML Language Providers: 
      [email protected]
      minecraft@1
   Mod List: 
      client-extra.jar Minecraft {[email protected] CREATE_REGISTRIES}
      forge-1.16.3-34.1.10_mapped_snapshot_20200723-1.16.1-recomp.jar Forge {[email protected] CREATE_REGISTRIES}
      main Conveyors {[email protected] ERROR}
   Crash Report UUID: cf298b39-30a2-4b19-8ec1-d74befd941d9

3 minutes ago, MrInfinity said:

Details: Caused by 0: java.lang.ExceptionInInitializerError

at com.mrinfinity.motionblocks.BlocksthatMoveyou.<init>(BlocksthatMoveyou.java:22) ~[?:?] {re:classloading}

 

3 minutes ago, MrInfinity said:

Exception message: java.lang.IllegalArgumentException: Duplicate registration curved_belt