---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 7/23/20, 9:23 AM
Description: Initializing game

java.lang.NoSuchMethodError: 'void net.minecraft.client.renderer.color.ItemColors.register(net.minecraft.client.renderer.color.IItemColor, net.minecraft.util.IItemProvider[])'
at info.u_team.u_team_core.intern.init.UCoreColors.register(UCoreColors.java:17) ~[?:3.1.1.163-SNAPSHOT] {re:classloading}
at net.minecraftforge.eventbus.ASMEventHandler_7_UCoreColors_register_Item.invoke(.dynamic) ~[?:?] {}
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80) ~[eventbus-2.2.0-service.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258) ~[eventbus-2.2.0-service.jar:?] {}
at net.minecraftforge.fml.javafmlmod.FMLModContainer.acceptEvent(FMLModContainer.java:168) ~[?:32.0] {re:classloading}
at net.minecraftforge.fml.ModLoader.lambda$postEvent$31(ModLoader.java:260) ~[?:?] {re:classloading}
at java.util.HashMap.forEach(HashMap.java:1336) ~[?:?] {}
at net.minecraftforge.fml.ModList.forEachModContainer(ModList.java:219) ~[?:?] {re:classloading}
at net.minecraftforge.fml.ModLoader.postEvent(ModLoader.java:260) ~[?:?] {re:classloading}
at net.minecraftforge.client.ForgeHooksClient.onItemColorsInit(ForgeHooksClient.java:170) ~[?:?] {re:classloading}
at net.minecraft.client.renderer.color.ItemColors.func_186729_a(ItemColors.java:86) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.(Minecraft.java:450) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.client.main.Main.main(Main.java:149) ~[1.16.1-forge-32.0.75.jar:?] {re:classloading,pl:runtimedistcleaner:A}
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?] {}
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?] {}
at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) ~[forge-1.16.1-32.0.75.jar:32.0] {}
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-5.1.0.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-5.1.0.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-5.1.0.jar:?] {}
at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-5.1.0.jar:?] {}
at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-5.1.0.jar:?] {}

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

-- Head --
Thread: Render thread
Stacktrace:
at info.u_team.u_team_core.intern.init.UCoreColors.register(UCoreColors.java:17)
at net.minecraftforge.eventbus.ASMEventHandler_7_UCoreColors_register_Item.invoke(.dynamic)
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80)
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258)
at net.minecraftforge.fml.javafmlmod.FMLModContainer.acceptEvent(FMLModContainer.java:168)
at net.minecraftforge.fml.ModLoader.lambda$postEvent$31(ModLoader.java:260)
at java.base/java.util.HashMap.forEach(HashMap.java:1336)
at net.minecraftforge.fml.ModList.forEachModContainer(ModList.java:219)
at net.minecraftforge.fml.ModLoader.postEvent(ModLoader.java:260)
at net.minecraftforge.client.ForgeHooksClient.onItemColorsInit(ForgeHooksClient.java:170)
at net.minecraft.client.renderer.color.ItemColors.func_186729_a(ItemColors.java:86)
at net.minecraft.client.Minecraft.(Minecraft.java:450)

-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.main.Main.main(Main.java:149)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51)
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: 1.16.1
Minecraft Version ID: 1.16.1
Operating System: Linux (amd64) version 5.4.0-42-generic
Java Version: 11.0.7, Ubuntu
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Ubuntu
Memory: 545128696 bytes (519 MB) / 1174405120 bytes (1120 MB) up to 2147483648 bytes (2048 MB)
CPUs: 8
JVM Flags: 8 total; -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
ModLauncher: 5.1.0+69+master.79f13f7
ModLauncher launch target: fmlclient
ModLauncher naming: srg
ModLauncher services:
/mixin-0.8.jar mixin PLUGINSERVICE
/eventbus-2.2.0-service.jar eventbus PLUGINSERVICE
/forge-1.16.1-32.0.75.jar object_holder_definalize PLUGINSERVICE
/forge-1.16.1-32.0.75.jar runtime_enum_extender PLUGINSERVICE
/forge-1.16.1-32.0.75.jar capability_inject_definalize PLUGINSERVICE
/accesstransformers-2.1.3-shadowed.jar accesstransformer PLUGINSERVICE
/forge-1.16.1-32.0.75.jar runtimedistcleaner PLUGINSERVICE
/mixin-0.8.jar mixin TRANSFORMATIONSERVICE
/forge-1.16.1-32.0.75.jar fml TRANSFORMATIONSERVICE
FML: 32.0
Forge: net.minecraftforge:32.0.75
FML Language Providers:
[email protected]
minecraft@1
Mod List:
forge-1.16.1-32.0.75-client.jar Minecraft {[email protected] LOAD_REGISTRIES}
useful_backpacks.jar Useful Backpacks {[email protected] LOAD_REGISTRIES}
forge-1.16.1-32.0.75-universal.jar Forge {[email protected] LOAD_REGISTRIES}
u_team_core.jar U Team Core {[email protected] ERROR}
XaerosMinimap.jar Xaero's Minimap {[email protected] LOAD_REGISTRIES}
XaerosWorldMap.jar Xaero's World Map {[email protected] LOAD_REGISTRIES}
jei.jar Just Enough Items {[email protected] LOAD_REGISTRIES}
Launched Version: 1.16.1-forge-32.0.75
Backend library: LWJGL version 3.2.2 build 10
Backend API: GeForce GTX 970/PCIe/SSE2 GL version 4.6.0 NVIDIA 440.100, NVIDIA Corporation
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 Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz

Do not use the -dev version. Use the normal one.