1.) Was the Gimbal bracket removed? If not, remove the bracket and try flying again.
2.) Format the Micro SD Card and try flying again.
3,) Try a different Micro SD Card and try flying again.
4.) Does the camera take images when flown with DJI Go 4?
5.) Try uninstalling and reinstalling FieldAgent™?
6.) Ensure that you are leaving FieldAgent™ open during the flight and not switching to another app or taking a phone call.