Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\trefurcom\template\modules\article\prods\prod-man.php on line 123

Fatal error: Uncaught Error: Call to a member function getManName() on null in C:\xampp\htdocs\trefurcom\template\modules\article\prods\prod-man.php:9 Stack trace: #0 C:\xampp\htdocs\trefurcom\template\index.php(47): include() #1 C:\xampp\htdocs\trefurcom\index.php(50): include('C:\\xampp\\htdocs...') #2 {main} thrown in C:\xampp\htdocs\trefurcom\template\modules\article\prods\prod-man.php on line 9