I can't clear Hellfire Army

PC Bug Report
1

I can’t advance from wave 7. 5 consecutive occurrences
https://youtu.be/2UDHwEiNg1s

This time W9
https://youtu.be/RH46FJGWsqI

Player 1 is the PC version
Player 2 is the Steam version
Players 3/4 are PS4 version