How solve this problem?- what is it?

Hello Hoda. In order for other people to help, you need to be bring more information. A better picture (maybe a screen capture, or a few) and the GH file would certainly be more helpful to understand your issue.

I recommend reading the forum guidelines pasted below.

Hello, This is my file, Can you help me? 0.3dm (368.7 KB) (1.1 MB)

Hi @hoda,

You might be able to find your answer in this thread.