Camera does not work at all. Always says "error, camera not available"

[kaiman]

I recently bought a used xperia v.  When I tried to to test the camera, a message popped up saying "error, camera not available". Anyone had a similar problem? Any help would be greatly appreciated.

[lentudo]

Ihave a sony xpidia version 4.3 and the camera stopped working and it saysunfortunately,camera has stopped what can I do