I am having trouble trying my best to figure out what the problem is but I just don't understand that much about this stuff and need help

 

Spoiler

---- Minecraft Crash Report ----

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

// Daisy, daisy...

Time: 8/9/19 2:37 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: 532897312 bytes (508 MB) / 1342177280 bytes (1280 MB) up to 8589934592 bytes (8192 MB)
    JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx8G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
    IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
    FML: MCP 9.42 Powered by Forge 14.23.5.2838 Optifine OptiFine_1.12.2_HD_U_C6 17 mods loaded, 17 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-1.12.2-14.23.5.2838.jar                 | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LCHIJA | forge              | 14.23.5.2838   | forge-1.12.2-14.23.5.2838.jar                 | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LCHIJA | autoreglib         | 1.3-32         | AutoRegLib-1.3-32.jar                         | None                                     |
    | LCHIJA | biomesoplenty      | 7.0.1.2439     | BiomesOPlenty-1.12.2-7.0.1.2439-universal.jar | None                                     |
    | LCHIJA | customnpcs         | 1.12           | CustomNPCs_1.12.2(30Jan19).jar                | None                                     |
    | LCHIJA | dynamictrees       | 1.12.2-0.9.5   | DynamicTrees-1.12.2-0.9.5.jar                 | None                                     |
    | LCHIJA | dynamictreesbop    | 1.12.2-1.4.1e  | DynamicTreesBOP-1.12.2-1.4.1e.jar             | None                                     |
    | LCHIJA | fbp                | 2.4.1          | FancyBlockParticles-1.12.x-2.4.1.jar          | None                                     |
    | LCHIJA | flansmod           | 5.5.2          | Flan's Mod-1.12.2-5.5.2.jar                   | None                                     |
    | LCHIJA | flansmodapocalypse | 1.0            | Flan's Mod-1.12.2-5.5.2.jar                   | None                                     |
    | LCHIJA | realrender         | 1.2.3          | realrender-1.2.3.jar                          | None                                     |
    | LCHIJA | soundfilters       | 0.11_for_1.12  | SoundFilters-0.11_for_1.12.jar                | None                                     |
    | LCHIJA | stellarapi         | 1.12.2-0.4.2.9 | Stellar-API-1.12.2.jar                        | None                                     |
    | LCHIJA | stellarsky         | 1.12.2-0.5.2.8 | Stellar+Sky-1.12.2-0.5.2.8.jar                | None                                     |
    | LCHIJA | orelib             | 3.5.2.2        | OreLib-1.12.2-3.5.2.2.jar                     | 7a2128d395ad96ceb9d9030fbd41d035b435753a |

    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'

 

Oh thank you so much! Deleting Optifine did fix it! So I would have to wait till the changelogs say that they can support the right Forge version in the future?

Thank you so much for the help! Now I know for future reference!