Thread:Extension talk:SubPageList/Fatal error: Class 'SubPageList\Extension' not found in /var/sites/c/cablefree.net/public html/support/radio/software/extensions/SubPageList/SubPageList.php on line 50

Fatal error: Class 'SubPageList\Extension' not found in /var/sites/c/cablefree.net/public_html/support/radio/software/extensions/SubPageList/SubPageList.php on line 50

How did this occur?

Hosted on a "Linux Server" on the ISP: Product	Version MediaWiki	1.24.1 PHP	5.4.28 (cgi-fcgi) MySQL	5.6.21