SWF Corruption

[Phiish]

Recently, I got bored and decided that I wanted to learn how to make a hotel by myself, seeing how I've started making customs and want to learn how to code them myself. I figured that I might as well learn everything. I definitely have overcame a few obstacles and learned so much in the past few days, it's really been worthwhile.

I have no idea how to fix this little problem though, and I feel like it's an easy fix...but I just can't figure it out for the life of me. I've tried multiple things and just cannot find a fix, and I've been avoiding asking anyone and searched for a solution but couldn't.

Does anyone know what I would need to do to fix this? Screenshot by Lightshot

Also, if anyone wants to start some sort of project of any kind, let me know. I know I'm not the best, but it doesn't hurt to learn.

Thanks!

[MentaL]