Ok, so my friend has been trying to enter my minecraft modded server but he keeps getting these errors:
Internal Exception: java.lang.StringIndexOutOfBoundsException: offset 108, count 101, length 141
and
Internal exception: net.minecraft.class_151: Non [a-z0-9/._-] Character in path of location: minecraft:daf\uFFFD\uFFFD\uFFFD\uFFFD\\U\uFFFD\u00115\u0011\uFFFDzK\uFFFDQo, \uFFFD\uFFFD)\uFFFd\uFFFD(
Logs:
https://mclo.gs/AQjtPE8

Looks like an issue with the mod emi_loot

What could he do then?

Edited June 16, 20241 yr by Saladorx1

Make a test without this mod

Still, he cant join.
https://mclo.gs/6dRIo5t

Then it is an issue or conflict with ad_astra_giselle_addon and modmenu

Invalid mod icon for icon source ad_astra_giselle_addon: icon.png
java.nio.file.NoSuchFileException: /icon.png

I have no idea how to fix it - maybe try other builds

 

Also, before he disconnects this appears on the log: 

[18:07:30] [Render thread/WARN]: Failed to get file path of mod fastpaintings: /

2648[18:07:30] [Render thread/WARN]: Failed to get file path of mod moonlight: /

2649[18:07:30] [Render thread/WARN]: Failed to get file path of mod dummmmmmy: /

2650[18:07:30] [Render thread/WARN]: Failed to get file path of mod amendments: /

2651[18:07:30] [Render thread/WARN]: Failed to get file path of mod supplementaries: /
Does this have anything to do with the error?

Maybe

Try another Launcher like AT Launcher or MultiMC

We tried but now it doesnt even load, it gets stuck on loading.
https://mclo.gs/sYJGdXx

Maybe an issue with Xaeros_Minimap

Should he change the mod to a lower version or reinstall it?

First a test without it

it still gets stuck
https://mclo.gs/rezFM7J

I have no idea - maybe something outside of Minecraft like Firewall or Antivirus program

We did it and it still keeps getting stuck

Maybe switch to another build of this modpack or contact the modpack owner