I finally finished my level, but it somehow gets messed up in the HCL list. When I try to run it from there, I get this message:

I started off this level using a part of on of the official JJ2 levels. I don't know if this has any effect on it. It uses (-)2.j2t and dang.j2b. I'm on 1.24 so what could be my problem? =x