[10:08:36] [Render thread/ERROR]: Registry loading errors:
> Errors in registry minecraft:worldgen/biome:
>> Errors in element biomesoplenty:end_corruption:
java.lang.IllegalStateException: Failed to parse value {downfall:0.5f,effects:{fog_color:10518688,foliage_color:4764952,grass_color:8174955,mood_sound:{block_search_extent:8,offset:2.0d,sound:"minecraft:ambient.cave",tick_delay:6000},particle:{options:{type:"biomesoplenty:binary"},probability:3.75E-4f},sky_color:0,water_color:4159204,water_fog_color:329011},has_precipitation:0b,temperature:0.5f} from server
at akm.a(SourceFile:277)
at akm$a.a(SourceFile:100)
at akm.a(SourceFile:155)
at akm.a(SourceFile:164)
at java.base/java.lang.Iterable.forEach(Iterable.java:75)
at akm.a(SourceFile:164)
at akm.a(SourceFile:155)
at fzs$a.a(SourceFile:49)
at fzs.a(SourceFile:59)
at fzd.a(SourceFile:117)
at fzd.a(SourceFile:109)
at fzd.a(SourceFile:117)
at abd.a(SourceFile:22)
at abd.a(SourceFile:8)
at zj.a(SourceFile:27)
at bph.d(SourceFile:162)
at bpl.d(SourceFile:23)
at bph.B(SourceFile:136)
at bph.bB(SourceFile:121)
at fgo.c(SourceFile:1240)
at fgo.f(SourceFile:882)
at net.minecraft.client.main.Main.main(SourceFile:256)
at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:105)
at org.prismlauncher.EntryPoint.listen(EntryPoint.java:129)
at org.prismlauncher.EntryPoint.main(EntryPoint.java:70)
Caused by: java.lang.IllegalStateException: Unknown registry key in ResourceKey[minecraft:root / minecraft:particle_type]: biomesoplenty:binary
at com.mojang.serialization.DataResult$Error.getOrThrow(DataResult.java:287)
at com.mojang.serialization.DataResult.getOrThrow(DataResult.java:81)
at akm.a(SourceFile:274)
... 24 more
As seen with Biomes O' Plenty:
The client then disconnects from the server.
Minecraft 1.21.1 + Fabric Loader 0.16.7 + PolyMc 5.7.0 (#248)