Encrypted TJS & KS file
Symptoms :
When creating a new project, a bunch of gibberish texts are appeared like the figure below :
This means that KS & TJS files are encrypted, scrambled or compiled.
To work on this file make sure the TJS & KS files are decrypted, decompiled and unscrambled first. I am not sure if there is a tool to do this. But the first thing you need to try is to request an precompiled version of TJS & KS from the respective game developers.