Interner Fehler

[8b544626e77668fefa187bfc] /w/index.php?title=Attribut:Exif:Urgency&action=formedit Error from line 207 of /var/www/bluespice/w/extensions/PageForms/includes/PF_FormEditAction.php: Call to undefined method PFUtils::makeLink()

Backtrace:

#0 /var/www/bluespice/w/extensions/PageForms/includes/PF_FormEditAction.php(286): PFFormEditAction::displayFormChooser(OutputPage, Title)
#1 /var/www/bluespice/w/extensions/PageForms/includes/PF_FormEditAction.php(32): PFFormEditAction::displayForm(PFFormEditAction, SMW\Page\PropertyPage)
#2 /var/www/bluespice/w/includes/MediaWiki.php(500): PFFormEditAction->show()
#3 /var/www/bluespice/w/includes/MediaWiki.php(294): MediaWiki->performAction(SMW\Page\PropertyPage, Title)
#4 /var/www/bluespice/w/includes/MediaWiki.php(861): MediaWiki->performRequest()
#5 /var/www/bluespice/w/includes/MediaWiki.php(524): MediaWiki->main()
#6 /var/www/bluespice/w/index.php(42): MediaWiki->run()
#7 {main}