[Solved] Please help!!! Need help with the Editor...Can't move...Editor Bug

Hello,

why suddenly my editor does not its work?

I press right mousebutton to grab and move the window i get only a sizable select box :

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i have to reload every 2 Minutes. I can’t work ! Men…

again…this sucks…

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So… now it stays in this…
reload don’t helps

please help

Its only in this project. Have i changed some settings?

I created a new project and tried to migrate this buggy project. Then i saw, that there where problems because of double Data. I think this caused this problem.
i deleted some files. Now it works fine

That sometimes happen to me too. I just press play in editor and after exit play mode problem is gone.

Thank you Textus