It's simple: It's an anti-hack, if it catches a script that is blacklisted it will give you a grey screen and "end the mission". The only way to get past it is to 1. rename your variables 2. get an anti-antihack and 3. re-name your script folders. Do all three of those and as long as you're using non-logged scripts you should be ok, but they might have added extras to detect god mode and such, if so then you're just going to have to figure out how to get past it.