I have a nulled version of Gangs+, and the default prefix is &bGangs > &7. I've found the prefix string inside the Lang.class file and after editing it in Notepad++ and JByteEditor, I get an error in console telling me it's broken. This is my first time ever trying something like this, so any help is much appreciated, thanks.
Here is an image of the prefix string I set:
Here is an image of the prefix string I set:
