Fatal error: Uncaught Exception: Error: MySQL server has gone away<br />Error No: 2006<br />SELECT CONCAT(f.filter_id, '.', f.source) AS filter_key FROM oc_ocfilter_filter f LEFT JOIN oc_ocfilter_filter_to_store f2s ON (f.filter_id = f2s.filter_id AND f.source = f2s.source) LEFT JOIN oc_ocfilter_filter_to_category f2c ON (f.filter_id = f2c.filter_id) LEFT JOIN oc_category_path cp ON (f2c.category_id = cp.category_id) WHERE f.status = '1' AND f2s.store_id = '0' AND (cp.path_id = '4633' OR f2c.category_id = '0') GROUP BY f.filter_id, f.source in /var/www/endy/data/www/smartmaster.su/system/storage/modification/system/library/db/mysqli.php:47 Stack trace: #0 /var/www/endy/data/www/smartmaster.su/system/library/db.php(16): DB\MySQLi->query('SELECT CONCAT(f...', Array) #1 /var/www/endy/data/www/smartmaster.su/system/IMDBOptimizer/Cache/IMDBOCacheProcessor.php(613): DB->query('SELECT CONCAT(f...') #2 /var/www/endy/data/www/smartmaster.su/system/library/ocfilter/core.php(78): IMDBOCacheProcessor->query('SELECT CONCAT(f...') #3 / in /var/www/endy/data/www/smartmaster.su/system/storage/modification/system/library/db/mysqli.php on line 47