22:27:41	sy	Server thread	error	"Silently" catching entity tracking error.
h: Adding entity to track
	at sy.a(SourceFile:174)
	at sy.a(SourceFile:124)
	at td.a(SourceFile:42)
	at axp.b(SourceFile:847)
	at tc.b(SourceFile:825)
	at axp.a(SourceFile:839)
	at tc.a(SourceFile:784)
	at axz.a(SourceFile:171)
	at tc.i_(SourceFile:196)
	at net.minecraft.server.MinecraftServer.w(SourceFile:690)
	at net.minecraft.server.MinecraftServer.v(SourceFile:623)
	at dft.v(SourceFile:157)
	at net.minecraft.server.MinecraftServer.run(SourceFile:526)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalStateException: Entity is already tracked!
	at sy.a(SourceFile:151)
	... 13 more