Comment 0 for bug 812289

Hello,

http://support.openlp.org/issues/238

1) Edit a song
2) Go to the "Authors, Topics, Song Book" tab
3) Click "Manage Authors, Topics, Song Books"
4) Edit an author
5) Click Ok
6) Save the song

Result:
The following traceback is shown

Traceback (most recent call last):
  File "/home/andreas/Projekte/openlp/trunk/openlp/plugins/songs/lib/mediaitem.py", line 354, in onEditClick
    self.onSongListLoad()
  File "/home/andreas/Projekte/openlp/trunk/openlp/plugins/songs/lib/mediaitem.py", line 239, in onSongListLoad
    item = self.buildServiceItem(self.editItem)
  File "/home/andreas/Projekte/openlp/trunk/openlp/core/lib/mediamanageritem.py", line 579, in buildServiceItem
    if self.generateSlideData(serviceItem, item, xmlVersion):
  File "/home/andreas/Projekte/openlp/trunk/openlp/plugins/songs/lib/mediaitem.py", line 397, in generateSlideData
    item_id = self._getIdOfItemToGenerate(item, self.remoteSong)
  File "/home/andreas/Projekte/openlp/trunk/openlp/core/lib/mediamanageritem.py", line 624, in _getIdOfItemToGenerate
    item_id = (item.data(QtCore.Qt.UserRole)).toInt()[0]
RuntimeError: underlying C/C++ object has been deleted