decktalk verify reports it when it measures the finished film and reads back each recording log.
Pass --allow MOTION_NO_EDGE to carry on past it, and --fail-on to choose which severity fails a run.
The settings that move this verdict are verify.cue_offset_max_ms, verify.motion_floor_percent.
What to do
Make the easefirm, so the motion is still moving when it lands on its word.
Troubleshooting says more under A motion verify cannot measure.