Mouse Use Losts When Appearing In Ready Room

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<div class="IPBDescription">was in build menu when map changed</div> I noticed on one time that I was on the screen menu as an alien at the same time game ended. I respawned in the ready room but I had totaly lost mouse control. Now having mouse control, I couldn't point in anothe rdirection to move toward there. My view was stuck in same direction. I couldn't turn in another direction. I could only walk back/forth and sideways.