Очистить параметры
[ErrorException] E_ERROR Cannot redeclare array_unique_key() (previously declared in /home/bitrix/ext_www/souz-shinnikov.ru/local/templates/souz-shinnikov_new/components/bitrix/catalog.section/items/result_modifier.php:35) (0) /home/bitrix/ext_www/souz-shinnikov.ru/local/templates/souz-shinnikov_new/components/bitrix/catalog.section/items/result_modifier.php:35 ----------