Fatal error: Uncaught Error: Call to undefined method Controllers\CategoryAdminController::getAuthors() in /home/ultimatu/domains/ceny-platyny.pl/public_html/includes/Controllers/Controller.php:507 Stack trace: #0 /home/ultimatu/domains/ceny-platyny.pl/public_html/includes/Controllers/Controller.php(488): Controllers\Controller->getAuthorByCategory(18) #1 /home/ultimatu/domains/ceny-platyny.pl/public_html/includes/Controllers/CompaniesCatalogueController.php(74): Controllers\Controller->getItem('biedronka', true) #2 /home/ultimatu/domains/ceny-platyny.pl/public_html/modules/katalog-firm.inc.php(68): Controllers\CompaniesCatalogueController->getItem('biedronka') #3 /home/ultimatu/domains/ceny-platyny.pl/public_html/index.php(325): require_once('/home/ultimatu/...') #4 {main} thrown in /home/ultimatu/domains/ceny-platyny.pl/public_html/includes/Controllers/Controller.php on line 507