Video: iPhone->Photos->QuickTime Player-> unable to save or export
I took some video clips with my iPhone, then opened and edited them in Apple Photos on my MacBook Pro, then did Image:Edit With:QuickTime Player.
The clip opened in QuickTime Player and when I tried to export it at 420p I got this error message:
In photos the file shows "HDR" in a little box in the corner and the file information shows it as a .mov file and also shows "HEVC", which I surmise is the video equivalent of the HEIC file type:
What is going on with this and how can I save this file in the .mp4 format at 420p?
MacBook Pro 16″, macOS 15.5