Подскажите как быть с ворнингами
2017-01-28 18:59:23 - PHP Notice: Undefined index: attr_delimeter in /var/www/vhosts/most.market/httpdocs/catalog/model/module/filterpro.php on line 0
2017-01-28 18:59:23 - PHP Warning: explode(): Empty delimiter in /var/www/vhosts/most.market/httpdocs/catalog/model/module/filterpro.php on line 0
2017-01-28 18:59:23 - PHP Warning: Invalid argument supplied for foreach() in /var/www/vhosts/most.market/httpdocs/catalog/model/module/filterpro.php on line 0
2017-01-28 18:59:23 - PHP Notice: Undefined index: attr_group in /var/www/vhosts/most.market/httpdocs/catalog/controller/module/filterpro.php on line 135
2017-01-28 19:00:35 - PHP Notice: Undefined index: attr_group in /var/www/vhosts/most.market/httpdocs/catalog/controller/module/filterpro.php on line 135
Фильтр в списке выдает только производителя. Остальные параметры не отображаются. Только заголовки параметров.