Can you try this: Settings > Apps > Camera > Storage > Clear data, and restart the phone. This will reset Camera settings.
If the issue continues, start the phone in Safe mode and check if the same is happening there.
To start the phone in Safe Mode you can follow these steps:
- Turn the phone off
- Hold down the Power button to switch the phone back on.
- As the phone is starting up, hold down the Volume Down button until the Home Screen appears.
- Safe Mode will now display in the left hand corner of your phone to confirm that Safe Mode has been enabled.
Let me know how you get on.
