unreal engine 5 keeps freezing when deforming a shape, why?

Hello there, I’m facing an issue/problem recently with unreal engine 5, when ever I want to deform a certain shape in the view port, the program(unreal engine 5) freezes??!!?, I can’t work/play around with it!!, & I can’t figure out what’s the issue exactly ?!!, I need your help & guidance, please, I’d appreciate your care & response, thank you