Greetings @hamood123213
Are all of the texture files referenced here located inside of your Content/Pack folder? If not, ensure that they are.
ensured, is there any way to reimprort or sum?
Give this post a look and see if this helps. It’s a slightly different situation for that user. But, I think this may of assistance with your particular problem as well. Let me know if the steps there help resolve the problem. If not, post back here and we can check some other alternatives.