Some maps don't load

[RetroGamer02]

I'm using Doom Builder 2 + Slade and GLBSP + pack side defs option to simplify and compress these maps.

• E1M5 Works - Currently reduced to 236.67kb from 817.77kb old size.
• E1M6 Works but laggy in spots - Currently reduced to 211.17kb - old size 310.53kb
• E1M7 Works - Currently reduced to 240.25kb - old size 501.74kb
• E2M5 Works waiting full testing - Currently reduced to 271.15kb - old size 699.66kb
• E2M9 Works waiting full testing - Currently reduced to 270.81kb - old size 439.55kb
• E3M4 Works - Currently reduced to 231.36kb
• E3M5 Works - Currently reduced to 214.52kb
• E3M7 Works but laggy in spots Currently reduced to 194.42kb
• E3M9 Works - Currently reduced to 265.29kb
• E4M2 Started Currently reduced to 394.42kb
• E4M6 Not Working
• E4M7 Not Working
• E4M9 Not Working