Deprecated: Non-static method Manager_modules::get_by_name() should not be called statically in /home/warehous/public_projectsdev/includes/GST_Media_Manager.class.php on line 448

Fatal error: Uncaught Error: Using $this when not in object context in /home/warehous/public_projectsdev/managers/Manager_modules.class.php:76 Stack trace: #0 /home/warehous/public_projectsdev/includes/GST_Media_Manager.class.php(448): Manager_modules::get_by_name('page_headers') #1 /home/warehous/public_projectsdev/managers/Manager_page_headers.class.php(178): GST_Media_Manager->get(Array) #2 /home/warehous/public_projectsdev/page.php(419): Manager_page_headers->get_by_page_id('31') #3 /home/warehous/public_projectsdev/includes/GST_Dispatch.class.php(573): Website->_before() #4 /home/warehous/public_projectsdev/includes/GST_Dispatch.class.php(777): GST_Dispatch->_start() #5 /home/warehous/public_projectsdev/page.php(1532): GST_Dispatch->__construct() #6 /home/warehous/public_projectsdev/index.php(36): include('/home/warehous/...') #7 {main} thrown in /home/warehous/public_projectsdev/managers/Manager_modules.class.php on line 76