Notice: Undefined index: id in /var/www/brizkomplekt/data/www/briz-komplekt.kz/application/classes/Controller/Categories.php on line 29

Fatal error: Uncaught TypeError: Argument 1 passed to Repository_Product::filter_category() must be of the type string, null given, called in /var/www/brizkomplekt/data/www/briz-komplekt.kz/application/classes/Controller/Categories.php on line 29 and defined in /var/www/brizkomplekt/data/www/briz-komplekt.kz/application/classes/Repository/Product.php:102 Stack trace: #0 /var/www/brizkomplekt/data/www/briz-komplekt.kz/application/classes/Controller/Categories.php(29): Repository_Product->filter_category(NULL) #1 /var/www/brizkomplekt/data/www/briz-komplekt.kz/system/classes/Kohana/Controller.php(84): Controller_Categories->action_view() #2 [internal function]: Kohana_Controller->execute() #3 /var/www/brizkomplekt/data/www/briz-komplekt.kz/system/classes/Kohana/Request/Client/Internal.php(94): ReflectionMethod->invoke(Object(Controller_Categories)) #4 /var/www/brizkomplekt/data/www/briz-komplekt.kz/system/classes/Kohana/Request/Client.php(114): Kohana_Request_Client_Internal->execute_request(Object(Request), Object(Response in /var/www/brizkomplekt/data/www/briz-komplekt.kz/application/classes/Repository/Product.php on line 102