[PrestaShopDatabaseException]

Got error 28 from storage engine SELECT c.*, cl.id_lang, cl.name, cl.description, cl.link_rewrite, cl.meta_title, cl.meta_keywords, cl.meta_description FROM `eh_category` c INNER JOIN eh_category_shop category_shop ON (category_shop.id_category = c.id_category AND category_shop.id_shop = 1) LEFT JOIN `eh_category_lang` cl ON (c.`id_category` = cl.`id_category` AND `id_lang` = 7 AND cl.id_shop = 1 ) LEFT JOIN `eh_category_group` cg ON (cg.`id_category` = c.`id_category`) WHERE `id_parent` = 167 AND `active` = 1 AND cg.`id_group` = 1 GROUP BY c.`id_category` ORDER BY `level_depth` ASC, category_shop.`position` ASC
at line 605 in file classes/db/Db.php

599. 			WebserviceRequest::getInstance()->setError(500, '[SQL Error] '.$this->getMsgError().'. From '.(isset($dbg[3]['class']) ? $dbg[3]['class'] : '').'->'.$dbg[3]['function'].'() Query was : '.$sql, 97);
600. 		}
601. 		else if (_PS_DEBUG_SQL_ && $errno && !defined('PS_INSTALLATION_IN_PROGRESS'))
602. 		{
603. 			if ($sql)
604. 				throw new PrestaShopDatabaseException($this->getMsgError().'<br /><br /><pre>'.$sql.'</pre>');
605. 			throw new PrestaShopDatabaseException($this->getMsgError());
606. 		}
607. 	}
608. 
609. 	/**