The message indicates that the request to the VisionAI SD card did not have any recording available to be retrieved.
Possible causes:
- The requested video is no longer available on the camera's SD card and has most likely been overwritten by newer video data.
- The onboard computer was requesting footage when the VisionAI device was off or busy booting up.
- Requesting from a disabled channel or misconfiguration of channels.
- Faulty SD cards.
- Faulty camera.