This will happen if the playlist you've asked for doesn't in anything to play, for example if you're using 'FEED and the path is incorrect or remote, or if you're playing remote urls and the option 'allow mp3s from other domains is unticked...
Notes 1 ) This option is for files uploaded to your library only 2 ) When selected players will display the title and info from ID3 meta captured during upload 3 ) This feature is supported WP 3.6 and higher..
Added settings page option for single file players to position the button on the left or right hand side ..
Added new developer methods provide volume scale factor, and provide the data to callbacks regardless of the player or list type.. 2.3.1.
Added option to control the frontend display of error messages, the options are Never To admins only To all.
Fixed the bug on index cat pages that broke players in some scenarios when using 'Show in full content and 'Show in excerpts options..
Added support in the player for the collection modules ..
Added 'Show images tick option on the widget ..
Added option to turn any mp3 links in page into players, which means you can now add players using 'Add on the page post edit screens.
Fixed player buttons for Modularity Lite and Portfolio Press themes, thanks to Nate, Jeppe, and Nicklas for the reports..
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