Database error: Invalid SQL: SELECT t2.* from categories t1, categories t2 WHERE ((t1.leftnumber < t2.leftnumber) and (t1.rightnumber > t2.rightnumber) and (t1.level = t2.level - 1) and (t1.id in ())) or ((t2.level = 0) and (t1.level = 0)) ORDER by t2.leftnumber
MySQL Error: 1064 (You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '))) or ((t2.level = 0) and (t1.level = 0)) ORDER by t2.leftnumber' at line 5)
Session halted.