Lustiest Lair: Expanded

This bug has been a long-standing issue with Lustiest Lair that I inherited when I was given control of the project. Nothing seems to be working, and I've been picking at this crash for over a year now, so I'm throwing it out to the community. Anybody who can find and solve the following issue can c

After tearing my hair out trying to solve the crash on capture for Slaver Lieutenant and Mounthound enemies, I'm not sure what else I can even try! If anyone is able to permanently resolve the crash-on-capture bug please show me what you changed and, if possible, why and how it was changed. I'm look