Fatal error: Uncaught Error: Call to a member function getMedium() on null in /mnt/web002/e3/99/511382299/htdocs/phil-moss/imports/Main/Misc/CSVExporter.php:13 Stack trace: #0 /mnt/web002/e3/99/511382299/htdocs/phil-moss/pages/contents/csvexport.php(11): CSVExporter::createDownloadableCSVForHoerspiel('1114', '\t', false) #1 {main} thrown in /mnt/web002/e3/99/511382299/htdocs/phil-moss/imports/Main/Misc/CSVExporter.php on line 13