[22:25:58] [main/INFO]: Building unoptimized datafixer
[22:26:01] [main/INFO]: Starting provider: SNBT -> NBT
[22:26:01] [main/INFO]: SNBT -> NBT finished after 5 ms
[22:26:01] [main/INFO]: Starting provider: Block State Definitions
[22:26:01] [main/INFO]: [STDERR]: aa: Non [a-z0-9/._-] character in path of location: minecraft:item/light_??
[22:26:01] [main/INFO]: [STDERR]: 	at aaj.<init>(SourceFile:41)
[22:26:01] [main/INFO]: [STDERR]: 	at aaj.<init>(SourceFile:50)
[22:26:01] [main/INFO]: [STDERR]: 	at kn.a(SourceFile:358)
[22:26:01] [main/INFO]: [STDERR]: 	at jw.aw(SourceFile:3322)
[22:26:01] [main/INFO]: [STDERR]: 	at jw.a(SourceFile:2719)
[22:26:01] [main/INFO]: [STDERR]: 	at jy.a(SourceFile:62)
[22:26:01] [main/INFO]: [STDERR]: 	at iy.c(SourceFile:62)
[22:26:01] [main/INFO]: [STDERR]: 	at net.minecraft.data.Main.main(SourceFile:72)