Fatal error: Uncaught Error: Call to a member function prepare() on bool in /home/goloff/domains/files_program2/model/main.php:60 Stack trace: #0 /home/goloff/domains/files_program2/model/select/menu.php(51): model_main->select_query() #1 /home/goloff/domains/files_program2/controller/page.php(298): model_select_menu->get_filter() #2 /home/goloff/domains/files_program2/controller/page.php(90): controller_page->product() #3 /home/goloff/domains/files_program2/load_path.php(32): controller_page->__construct() #4 /home/goloff/domains/files_program2/load_path.php(150): load_page() #5 /home/goloff/domains/goloff.ir/public_html/index.php(18): include('/home/goloff/do...') #6 {main} thrown in /home/goloff/domains/files_program2/model/main.php on line 60