NGC Decrypter - Unreadable characters

Solver block, for example, outputs the character "e" properly on some lines and incorrect on some lines. I am using IntelliJ IDEA. Please help

Screen:

https://prnt.sc/slqi58

var ge�OrSetDeviceI�FromStorage�= function (� { var �uid = localStora�e.uuid;

https://github.com/openlgtv/ncgDump