I get this warning when a video is about to be displayed.

Undefined array key "file" in /var/www/html/wp-content/plugins/wp-stateless/lib/classes/class-bootstrap.php on line 1510

I get this if I dump the metadata:

array(10) { ["bitrate"]=> int(15180947) ["filesize"]=> int(9510156) ["mime_type"]=> string(15) "video/quicktime" ["length"]=> int(5) ["length_formatted"]=> string(4) "0:05" ["width"]=> int(1080) ["height"]=> int(1080) ["fileformat"]=> string(3) "mp4" ["dataformat"]=> string(9) "quicktime" ["created_timestamp"]=> int(1698416877) }

Maybe similar to this one:
Issue: 724