Frequent GL invalid operation errors when client downloads skins

[Nebulon-B_Frigate_FTW]

Very annoying when building, as these errors usually cause me to be stuck moving in a direction until I press that direction's movement key.



Here's the relevant portion of a log file:

[Oct 7, 2013 6:07:58 PM] STDERR: [SKIN] REFRESH LOADING ./client-skins/Nebbie/s.brierie.co/Scath.png AS Scath
[Oct 7, 2013 6:07:58 PM] STDERR: GL_ERROR: GL_INVALID_OPERATION
[Oct 7, 2013 6:07:58 PM] STDERR: org.schema.schine.graphicsengine.core.GLException: GL_INVALID_OPERATION
[Oct 7, 2013 6:07:58 PM] STDERR: at org.schema.schine.graphicsengine.core.GlUtil.f(SourceFile:1077)
[Oct 7, 2013 6:07:58 PM] STDERR: at Cd.a(SourceFile:751)
[Oct 7, 2013 6:07:58 PM] STDERR: at Cd.b(SourceFile:706)
[Oct 7, 2013 6:07:58 PM] STDERR: at Cd.a(SourceFile:559)
[Oct 7, 2013 6:07:58 PM] STDERR: at CA.a(SourceFile:92)
[Oct 7, 2013 6:07:58 PM] STDERR: at nI.b(SourceFile:162)
[Oct 7, 2013 6:07:58 PM] STDERR: at nE.updateLocal(SourceFile:2430)
[Oct 7, 2013 6:07:58 PM] STDERR: at x.a(SourceFile:1976)
[Oct 7, 2013 6:07:58 PM] STDERR: at x.update(SourceFile:1915)
[Oct 7, 2013 6:07:58 PM] STDERR: at zF.a(SourceFile:964)
[Oct 7, 2013 6:07:58 PM] STDERR: at zF.a(SourceFile:955)
[Oct 7, 2013 6:07:58 PM] STDERR: at x.g(SourceFile:1463)
[Oct 7, 2013 6:07:58 PM] STDERR: at kv.run(SourceFile:73)
[Oct 7, 2013 6:07:58 PM] STDERR: at java.lang.Thread.run(Thread.java:724)
[Oct 7, 2013 6:07:58 PM] STDERR: org.schema.schine.graphicsengine.core.GLException: GL_INVALID_OPERATION
[Oct 7, 2013 6:07:58 PM] STDERR: at org.schema.schine.graphicsengine.core.GlUtil.f(SourceFile:1077)
[Oct 7, 2013 6:07:58 PM] STDERR: at Cd.a(SourceFile:751)
[Oct 7, 2013 6:07:58 PM] STDERR: at Cd.b(SourceFile:706)
[Oct 7, 2013 6:07:58 PM] STDERR: at Cd.a(SourceFile:559)
[Oct 7, 2013 6:07:58 PM] STDERR: at CA.a(SourceFile:92)
[Oct 7, 2013 6:07:58 PM] STDERR: at nI.b(SourceFile:162)
[Oct 7, 2013 6:07:58 PM] STDERR: at nE.updateLocal(SourceFile:2430)
[Oct 7, 2013 6:07:58 PM] STDERR: at x.a(SourceFile:1976)
[Oct 7, 2013 6:07:58 PM] STDERR: at x.update(SourceFile:1915)
[Oct 7, 2013 6:07:58 PM] STDERR: at zF.a(SourceFile:964)
[Oct 7, 2013 6:07:58 PM] STDERR: at zF.a(SourceFile:955)
[Oct 7, 2013 6:07:58 PM] STDERR: at x.g(SourceFile:1463)
[Oct 7, 2013 6:07:58 PM] STDERR: at kv.run(SourceFile:73)
[Oct 7, 2013 6:07:58 PM] STDERR: at java.lang.Thread.run(Thread.java:724)
[Oct 7, 2013 6:08:00 PM] STDERR: [WARNING] initializing Texture ./client-skins/Nebbie/s.brierie.co/Scath.png took 1388 ms
[Oct 7, 2013 6:08:00 PM] STDERR: [CLIENT] WARNING: UPDATE OF (OTHER) PlS[Scath; id(2128)(14)f(10704)] took 1388
[Oct 7, 2013 6:08:00 PM] STDERR: [CLIENT-CONTROLLER][WARNING] state update took 1388ms