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