Huawei p20 Lite breaks camera recording?

My still relatively new Huawei p20 Lite always breaks after about 1-3 minutes from the camera recording. Space is still there. What could be the problem?

Do a restart.

If you have already tried everything, open the app HiCare, which should be preinstalled on your phone. On the start page is then in the top right corner in the hotline icon, where you have the opportunity to write online and call for free. They can definitely help you.