Audiobooks In External Folder but Not In Card/Audiobooks

Maybe you have exceeded the limit of 2000 audio files in your Audiobooks database ??

    This is the approximate maximum capacity for the database in all recent firmwares for the Clip Sport.

    Here is a link to an extended discussion of this topic.

    http://forums.sandisk.com/t5/SanDisk-Clip-Sport/The-1-28-firmwhare-with-the-4-000-file-limit/td-p/351835