Hello yusupha98,
The lack of information doesn't really help us provide a solution to a pop up on your iPhone. Use the following for potential solutions, depending on your issue:
- If you have issues with sending or receiving emails, then we'd recommend taking these steps: If you can't receive email on your iPhone, iPad, or iPod touch
- If this is about a profile on your iPhone, you can try to remove it using these related steps: Install or remove configuration profiles on iPhone In case the device is being managed by a business or school, then you'd need to contact your IT department for further support.
Should you continue to have this issue, please reply back providing us with more information. The more we can understand about what's going on, the better we can assist.
Take care.