SQL-ERROR:
SELECT a.id, a.parent_id, a.active, a.name_13 as name, a.level, a.ordered, a.childs, a.network_id, a.cat_pass, a.markenfilter, a.alter_check,
b.name_13 AS title1, b.parent_id AS parent_id1, b.level as level2,
b.ordered as ordered1, b.childs as childs2, a.filter_active, a.mixer_check, a.title_13 AS titletag
FROM shop_categories AS a
LEFT OUTER JOIN shop_categories AS b
ON a.parent_id = b.id
ORDER BY a.level, a.ordered
Error: Unknown column 'a.name_13' in 'field list'
Aufruf von categories_base.class.php Zeile 189