java.lang.VerifyError: (class: ir, method: d signature: (III)Z) Incompatible argument to function
	at gm.a(ServerConfigurationManager.java:317)
	at bec.b(IntegratedServerListenThread.java:90)
	at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:702)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:598)
	at bdz.q(IntegratedServer.java:159)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)
	at fy.run(SourceFile:849)
--- END ERROR REPORT 968c6a6e ----------