Please put the phone in airplane mode, switch on wifi and the the location service.
I think this might be due to some iPhone update issue and you can fix this by updating your device. I have https://www.rushessay.com/laboratory_report.php which helps you a lot while doing office and college work. You can grab this service for amazing content.
I think if you post your question in the right forum there is a better chance of getting answers. This forum section is to introduce your own.
Please also state which camera it concerns.