Stacktrace remapper comes to a halt

[kennytv]

Using the stacktrace remapper on any version for Mojang mappings seems to just crash the browser tab after a few seconds of not showing any update. Example input for 24w21a:

java.lang.IllegalStateException: Failed to load registries due to above errors
	at akl.a(SourceFile:181)
	at akl.a(SourceFile:155)
	at fzm$a.a(SourceFile:49)
	at fzm.a(SourceFile:59)
	at fyx.a(SourceFile:117)
	at fyx.a(SourceFile:109)
	at fyx.a(SourceFile:117)
	at abc.a(SourceFile:22)
	at abc.a(SourceFile:8)
	at zi.a(SourceFile:27)
	at bpg.d(SourceFile:162)
	at bpk.d(SourceFile:23)
	at bpg.B(SourceFile:136)
	at bpg.bB(SourceFile:121)
	at fgi.c(SourceFile:1240)
	at fgi.f(SourceFile:882)