Here's the log.
https://mclo.gs/pPKrbkw

Made a new install too and it still doesn't work.

Heres the crash report
---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 2023-10-19 18:05:08
Description: Initializing game

java.lang.RuntimeException: Could not execute entrypoint stage 'main' due to errors, provided by 'monsters_girls'!
at net.fabricmc.loader.impl.FabricLoaderImpl.lambda$invokeEntrypoints$2(FabricLoaderImpl.java:387)
at net.fabricmc.loader.impl.util.ExceptionUtil.gatherExceptions(ExceptionUtil.java:33)
at net.fabricmc.loader.impl.FabricLoaderImpl.invokeEntrypoints(FabricLoaderImpl.java:385)
at net.fabricmc.loader.impl.game.minecraft.Hooks.startClient(Hooks.java:52)
at net.minecraft.class_310.(class_310.java:459)
at net.minecraft.client.main.Main.method_44604(Main.java:205)
at net.minecraft.client.main.Main.main(Main.java:51)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:468)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:243)
at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:278)
at org.multimc.EntryPoint.listen(EntryPoint.java:143)
at org.multimc.EntryPoint.main(EntryPoint.java:34)
Caused by: java.lang.ExceptionInInitializerError
at net.msymbios.monsters_girls.MonstersGirlsMod.onInitialize(MonstersGirlsMod.java:26)
at net.fabricmc.loader.impl.FabricLoaderImpl.invokeEntrypoints(FabricLoaderImpl.java:383)
... 15 more
Caused by: java.lang.RuntimeException: Attempted to register ID ResourceKey[minecraft:item / monsters_girls:hat_mushroom_infernal] at different raw IDs (1225, 1245)! If you're trying to override an item, use .set(), not .register()!
at net.minecraft.class_2370.handler$zfp000$fabric-registry-sync-v0$setPre(class_2370.java:692)
at net.minecraft.class_2370.method_31051(class_2370.java)
at net.minecraft.class_2370.method_10273(class_2370.java:87)
at net.minecraft.class_2348.method_10273(class_2348.java:24)
at net.minecraft.class_2370.method_10272(class_2370.java:135)
at net.minecraft.class_2378.method_39197(class_2378.java:508)
at net.minecraft.class_2378.method_10230(class_2378.java:504)
at net.msymbios.monsters_girls.item.ModItems.registerItem(ModItems.java:73)
at net.msymbios.monsters_girls.item.ModItems.(ModItems.java:61)
... 17 more
CPU: