Media file could not be played since the file is missing or is not in the correct format. Media file: %1 culture: %2 Cause: ...

Media file could not be played since the file is missing or is not in the correct format.

Media file: %1 culture: %2
Cause: Media file is missing or is not in the correct format.
Resolution:
Verify that the media files for Conferencing Announcement Service have been installed in the correct folder and use a supported file format.