Using TSLRCM version 1.8.2:
Bug: Blank cutscene that never ends
Place: Telos Hidden Base
When: After completing all of the sparring matches with the handmaidens
Repro: Speak with one of the handmaidens who is not close to the sparring mat. Agree to a fight with her. You will get switched to a blank cutscene that never ends. The only option to exit it is to load a previous save.