MMA = Media Monkey for Android
MMW = Media Monkey for Windows
*WHICH LOG* = your sent debug log DXKBKVVXHN
*WHICH CASE* - when playlist m3u file is missing then playlist is deleted from MMA
*WERE BUT AREN'T NOW, OR SHOULD BE? WHERE IS THE PLAYLISTS FOLDER (AND I HAVEN"T DONE ANYTHING TO CHANGE THIS*.
I think your "Playlists" folder is empty or does not exist, to confirm that you can use some "File browser" app like
https://play.google.com/store/apps/deta ... e.explorer
Install it, launch it and browse your "Main storage" to see "Playlists" folder.
*WHEN I OPEN MEDIA MONKEY THEY SOMETIMES DELETE THEMSELVES*
this is not a cause, but a consequence of missing "m3u" files
ALL PLAYLISTS GET DELETED, NOT JUST ONE
yes, all playlists were deleted because of the same reason (missing m3u files)
Can you confirm that all tracks from playlists still exits in MMA?
To find a source of the issue. I recommend these steps.
1) Sync playlists again
2) Check whether playlists "m3u" files exist
3) Send new debug log (note LOG ID) to have an initial state of MMA database.
4) Be trailing what action or other application can cause deletion of "m3u" files.
5) When any of playlist will be deleted again, send new debug log (note LOG ID) and check "Playlist" folder on your "Main storage" on your phone.