1.12.2, Forge 14.23.5.2859

Crash Report:
---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// Shall we play a game?

Time: 7/9/22 9:21 AM
Description: Exception in server tick loop

java.lang.NoSuchMethodError: net.minecraft.entity.EntityLiving$SpawnPlacementType.canSpawnAt(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;)Z
at net.minecraft.world.WorldEntitySpawner.func_180267_a(WorldEntitySpawner.java:226)
at net.minecraft.world.WorldEntitySpawner.func_77191_a(WorldEntitySpawner.java:282)
at net.minecraft.world.gen.ChunkGeneratorOverworld.func_185931_b(ChunkGeneratorOverworld.java:466)
at net.minecraft.world.chunk.Chunk.func_186034_a(Chunk.java:1019)
at net.minecraft.world.chunk.Chunk.func_186030_a(Chunk.java:999)
at net.minecraft.world.gen.ChunkProviderServer.func_186025_d(ChunkProviderServer.java:157)
at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:344)
at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:173)
at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:196)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486)
at java.lang.Thread.run(Thread.java:745)

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

-- System Details --
Details:
Minecraft Version: 1.12.2
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: 425154648 bytes (405 MB) / 704643072 bytes (672 MB) up to 2147483648 bytes (2048 MB)
JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
FML: MCP 9.42 Powered by Forge 14.23.5.2859 Optifine OptiFine_1.12.2_HD_U_C6 8 mods loaded, 8 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

| State  | ID                                  | Version      | Source                                                 | Signature                                |
|:------ |:----------------------------------- |:------------ |:------------------------------------------------------ |:---------------------------------------- |
| LCHIJA | minecraft                           | 1.12.2       | minecraft.jar                                          | None                                     |
| LCHIJA | mcp                                 | 9.42         | minecraft.jar                                          | None                                     |
| LCHIJA | FML                                 | 8.0.99.99    | forge-1.12.2-14.23.5.2859.jar                          | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCHIJA | forge                               | 14.23.5.2859 | forge-1.12.2-14.23.5.2859.jar                          | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCHIJA | gorecore                            | 1.12.2-0.4.5 | avatarmod-1.6.1.jar                                    | None                                     |
| LCHIJA | avatarmod                           | 1.6.1        | avatarmod-1.6.1.jar                                    | None                                     |
| LCHIJA | ichunutil                           | 7.2.2        | iChun-Util-Mod-1.12.2.jar                              | 4db5c2bd1b556f252a5b8b54b256d381b2a0a6b8 |
| LCHIJA | generallaymansaestheticspyingscreen | 7.0.0        | General-Laymans-Aesthetic-Spying-Screen-Mod-1.12.2.jar | None                                     |

Loaded coremods (and transformers): 
GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
Profiler Position: N/A (disabled)
Player Count: 0 / 8; []
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'
OptiFine Version: OptiFine_1.12.2_HD_U_C6
Render Distance Chunks: 29
Mipmaps: 4