Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via mojang.com by Unknown author, 2 years ago
via Mojang JIRA by StidderDude, 1 year ago
via Mojang JIRA by StidderDude, 2 years ago
java.lang.RuntimeException: Already decorating!!	at ahz.a(SourceFile:21)	at aht.a(SourceFile:364)	at aio.a(SourceFile:74)	at aqt.a(SourceFile:162)	at mr.a(SourceFile:166)	at apw.a(SourceFile:781)	at mr.c(SourceFile:101)	at mr.d(SourceFile:114)	at aha.e(SourceFile:310)	at ahq.(SourceFile:30)	at aha.a(SourceFile:2198)	at vu.a(SourceFile:91)	at up.a(SourceFile:41)	at ui.a(SourceFile:70)	at sv.bm(SourceFile:420)	at su.e(SourceFile:1321)	at sv.e(SourceFile:295)	at yf.e(SourceFile:25)	at yp.e(SourceFile:189)	at su.h(SourceFile:1208)	at sv.h(SourceFile:171)	at yf.h(SourceFile:30)	at yp.h(SourceFile:245)	at aha.a(SourceFile:1367)	at ms.a(SourceFile:480)	at aha.g(SourceFile:1345)	at aha.h(SourceFile:1252)	at ms.h(SourceFile:365)	at net.minecraft.server.MinecraftServer.v(SourceFile:522)	at net.minecraft.server.MinecraftServer.u(SourceFile:453)	at bvj.u(SourceFile:117)	at net.minecraft.server.MinecraftServer.run(SourceFile:369)	at li.run(SourceFile:628)