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 GitHub by MichaelCowanPdx
, 1 year ago
Already tesselating!
via phanaticmc.com by Unknown author, 2 years ago
java.lang.IllegalStateException: Already tesselating!	at bmh.a(Tessellator.java:374)	at bmh.b(Tessellator.java:364)	at blm.a(RenderBlocks.java:9276)	at bny.a(SourceFile:97)	at bny.a(SourceFile:29)	at bnn.a(RenderManager.java:308)	at bnn.a(RenderManager.java:286)	at bnn.a(RenderManager.java:259)	at bma.a(RenderGlobal.java:713)	at blt.a(EntityRenderer.java:2123)	at blt.b(EntityRenderer.java:1691)	at bao.ak(Minecraft.java:1517)	at bao.f(Minecraft.java:1307)	at net.minecraft.client.main.Main.main(SourceFile:148)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)	at net.minecraft.launchwrapper.Launch.main(Launch.java:27)