Issue Description:

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

Time: 5/9/17 7:01 PM
Description: Exception in server tick loop

java.lang.NoSuchFieldError: logCascadingWorldGeneration
at biomesoplenty.common.world.ChunkProviderGenerateBOP.func_185931_b(ChunkProviderGenerateBOP.java:475)
at net.minecraft.world.chunk.Chunk.func_186034_a(Chunk.java:1000)
at net.minecraft.world.chunk.Chunk.func_186030_a(Chunk.java:983)
at net.minecraft.world.gen.ChunkProviderServer.func_186025_d(ChunkProviderServer.java:158)
at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:302)
at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:106)
at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:120)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:442)
at java.lang.Thread.run(Thread.java:748)

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

Steps to reproduce:

Create a new world

Additional Information:

Running with only Biomes O' Plenty mod enabled

-- System Details --
Details:
Minecraft Version: 1.11.2
Operating System: Linux (amd64) version 4.10.13-200.fc25.x86_64
Java Version: 1.8.0_131, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 190723296 bytes (181 MB) / 519294976 bytes (495 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 104
FML: MCP 9.38 Powered by Forge 13.20.0.2228 6 mods loaded, 6 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAA minecraft{1.11.2} [Minecraft] (minecraft.jar)
UCHIJAA mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAA FML{8.0.99.99} [Forge Mod Loader] (forge-1.11.2-13.20.0.2228.jar)
UCHIJAA forge{13.20.0.2228} [Minecraft Forge] (forge-1.11.2-13.20.0.2228.jar)
UCHIJAA mercurius_updater{1.0} [mercurius_updater] (MercuriusUpdater-1.11.jar)
UCHIJAA biomesoplenty{6.1.0.2211} [Biomes O' Plenty] (BiomesOPlenty-1.11.2-6.1.0.2211-universal.jar)
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'

Affected Versions (Exact numbers, do not use "latest"):

• Biomes O' Plenty: BiomesOPlenty-1.11.2-6.1.0.2211 ---- freeze doesn't happen with
  BiomesOPlenty-1.11.2-6.1.0.2193
• Minecraft: 1.11.2
• Forge: 13.20.0.2228

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