[TypeError] array_keys(): Argument #1 ($array) must be of type array, null given (0) /home/bitrix/www/catalog/compare/index.php:9 #0: array_keys(NULL) /home/bitrix/www/catalog/compare/index.php:9 ----------
[TypeError] array_keys(): Argument #1 ($array) must be of type array, null given (0) /home/bitrix/www/catalog/compare/index.php:9 #0: array_keys(NULL) /home/bitrix/www/catalog/compare/index.php:9 ----------