Song Usage extraction fails. I did it once, and it worked; after that it always crashes. Below is the bug report data<br><br>OpenLP Bug Report<br>Version: {'build': None, 'full': '2.4.6', 'version': '2.4.6'}<br><br>--- Details of the Exception. ---<br><br>Trying to extract song usage data<br><br>--- Exception Traceback ---<br>Traceback (most recent call last):<br> File "/Applications/OpenLP.app/Contents/MacOS/plugins/songusage/songusageplugin.py", line 226, in on_song_usage_report<br> self.song_usage_detail_form.initialise()<br> File "openlp/plugins/songusage/forms/songusagedetailform.py", line 63, in initialise<br>TypeError: setSelectedDate(self, Union[QDate, datetime.date]): argument 1 has unexpected type 'str'<br><br>--- System information ---<br>Platform: Darwin-17.7.0-x86_64-i386-64bit<br><br>--- Library Versions ---<br>Python: 3.4.6<br>Qt5: 5.6.2<br>PyQt5: 5.7.1<br>QtWebkit: 538.1<br>SQLAlchemy: 1.1.5<br>SQLAlchemy Migrate: -<br>BeautifulSoup: 4.4.1<br>lxml: 3.6.0<br>Chardet: 2.3.0<br>PyEnchant: 1.6.6<br>Mako: 1.0.6<br>pyICU: -<br>pyUNO bridge: -<br>VLC: -<br>