Error: Call to a member function getURL() on null in /opt/web/gmc/guitarmasterclass.net/public_html/wiki/includes/SpecialImagelist.php:119
Stack trace:
#0 /opt/web/gmc/guitarmasterclass.net/public_html/wiki/includes/Pager.php(562): ImageListPager->formatValue('img_name', NULL)
#1 /opt/web/gmc/guitarmasterclass.net/public_html/wiki/includes/Pager.php(228): TablePager->formatRow(false)
#2 /opt/web/gmc/guitarmasterclass.net/public_html/wiki/includes/SpecialImagelist.php(16): IndexPager->getBody()
#3 /opt/web/gmc/guitarmasterclass.net/public_html/wiki/includes/SpecialPage.php(653): wfSpecialImagelist(NULL, Object(SpecialPage))
#4 /opt/web/gmc/guitarmasterclass.net/public_html/wiki/includes/SpecialPage.php(459): SpecialPage->execute(NULL)
#5 /opt/web/gmc/guitarmasterclass.net/public_html/wiki/includes/Wiki.php(203): SpecialPage::executePath(Object(Title))
#6 /opt/web/gmc/guitarmasterclass.net/public_html/wiki/includes/Wiki.php(46): MediaWiki->initializeSpecialCases(Object(Title), Object(OutputPage), Object(WebRequest))
#7 /opt/web/gmc/guitarmasterclass.net/public_html/wiki/index.php(100): MediaWiki->initialize(Object(Title), Object(OutputPage), Object(WikiUser), Object(WebRequest))
#8 {main}