[Stuck at Mission Summary screen]

I have this issue as well. It's my first time in over 300 hours of gameplay. I did nothing different at the end of the mission, but the squad was lagging throughout the mission. I can only chat and hit  Esc. Have to use task manager to close Warframe.

[Space Shark Incorporated [4+ Years Old-Running Strong] [All Regions] [Casual] [All Research] [Discord]]

IGN: lonevolf21