Fatal error: Cannot instantiate non-existent class: mosfrontpage in /home/fhlinux222/a/advancedmindskills.com/user/htdocs/administrator/components/com_content/admin.content.php on line 722
also
Fatal error: Cannot instantiate non-existent class: mosfrontpage in /home/fhlinux222/a/advancedmindskills.com/user/htdocs/administrator/components/com_content/admin.content.php on line 873
this happens whenever i try to add any new content..