AbstractMethodError crash server

[Marcin]

Description: Exception ticking world

java.lang.AbstractMethodError
    at forestry.core.genetics.BreedingTracker.registerSpecies(BreedingTracker.java:198)
    at forestry.core.genetics.BreedingTracker.registerBirth(BreedingTracker.java:189)
    at binnie.botany.flower.TileEntityFlower.randomUpdate(TileEntityFlower.java:212)
    at binnie.botany.flower.BlockFlower.func_149674_a(BlockFlower.java:196)
    at net.minecraft.world.WorldServer.func_147456_g(WorldServer.java:391)
    at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:183)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:625)
    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
    at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

[felixtreede]

It seems that the method speciesRootUID() is not implemented in your BotanistTracker class. I think it's just renamed, the old name was getPacketTag(). +1 for dependencies on unstable implementation details...

[Alex Binnie]

Duplicate of #246.