When installing StructuredDiscussions and running update.php, following error occurs:
```[bb35857f29b61c0166ca32aa] [no req] Error from line 260 of C:\plavormind\web\wiki\mediawiki\extensions\Flow\includes\TalkpageManager.php: Call to a member function getGroups() on null
Backtrace:
#0 C:\plavormind\web\wiki\mediawiki\extensions\Flow\maintenance\FlowCreateTemplates.php(114): Flow\TalkpageManager->getTalkpageManager()
#1 C:\plavormind\web\wiki\mediawiki\extensions\Flow\maintenance\FlowCreateTemplates.php(86): FlowCreateTemplates->create(Title, WikitextContent)
#2 C:\plavormind\web\wiki\mediawiki\maintenance\Maintenance.php(1724): FlowCreateTemplates->doDBUpdates()
#3 C:\plavormind\web\wiki\mediawiki\maintenance\update.php(215): LoggedUpdateMaintenance->execute()
#4 C:\plavormind\web\wiki\mediawiki\maintenance\doMaintenance.php(99): UpdateMediaWiki->execute()
#5 C:\plavormind\web\wiki\mediawiki\maintenance\update.php(266): require_once(string)
#6 {main}```