Assert Window - Interloper Beta Xen

Black Mesa Archive In-game Issues
#1

Greetings!
In the latest Xen Beta update, when I exited with saving, in Lambda Complex before entering the room with teleport to Xen, I got this “Assert” window, which says that error acquired in line 1664 of file “threadtools.cpp”
https://drive.google.com/file/d/1Q2LJJmjd2ouaZcD-a5bBWuObxBApGEer/view

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.