When I run my program it outputs "out of memory"
what does that mean? because I have like 4000 tokens left?

Depends on what you're doing. Very large tables can fill up the memory. Infinite recursion (a function calling itself) will give that error. Just an empty loop that goes nowhere gave someone that error.

edit: I don't know if it helps or not, but the latest major update includes the ability to step through your game frame by frame https://www.lexaloffle.com/bbs/?tid=37695 (see the last section titled Frame Advance)

Thanks, it might have to with hardware because I have a laggy laptop and before it says out of memory it lags