QMediaPlayer`s GStreamer failed to play file. No URI?

[heatblazer]

Hello,
Ive just made a click sound on my program, then Ive tested it. It was working - OK! However, after I played some vids and sounds on VLC, now the program gives me this error:

https://www.flickr.com/photos/heatblazer/15774129925/

How come?!