I cannot slide along a song to a different instant

Submitted by Paolo

Assigned to Simon Steinbeiß @ochosi

Link to original bug (#15496)

Description

when I play a song and I try to go to a different point, let's say the middle, the parole player stop working and I got error. I had to shut down the program and restart. It did not happen with previous versions of the program... I run Ubuntu 16.04 and the Parole 0.8.1