After taking a look at the callstack I was able to find that this is a known issue. I have provided a link to the public tracker. It appears that the issue was closed as won’t fix. I have also provided a link to the original post. I hope that this information helps
Link: Unreal Engine Issues and Bug Tracker (UE-24762)
Link: Map crashes on Load - Programming & Scripting - Epic Developer Community Forums
Make it a great day