the selected image Atlas_UI_Ressources.Content.userno longer exists

hi everyone it beens a long time that I have post a question here !! so I have stopped working because my PC was endomaging and I got a new one acctually the problem is when I closed the app the last time every thing worked well after a mounth when I tried to run the app I get this error ::   the selected image 'Atlas_UI_Ressources.Content.user'no longer exists     here is a picture to be clear* so what should I do please? and thanks!
1 answers

Try to download the Atlas_UI_Resources again from, overwriting the current one.