i have problem and i need to dolet any thing or fixed it or repair to i can make simelasone
plz could you help me
Hey mohammady,
This article should help you identify and rectify the faults you have in your CAD:
Let us know if you have more questions. 
Cheers
I am writing to seek further assistance regarding the solution you provided, as it did not work for me. I would greatly appreciate any additional guidance or support you can offer on this matter.
i try all this way but nothing solve my problem except Merge Everything i didnt try it
Thank you for your help.