Headmistress's Message

Fatal error: Uncaught Error: Call to a member function get_all_headmastermessage() on null in /home/v3m40/public_html/dpsvv.com/headmistress_message.php:65 Stack trace: #0 {main} thrown in /home/v3m40/public_html/dpsvv.com/headmistress_message.php on line 65