Database Error

(1064) You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'and bookversionid >0 and depth =1' at line 1
SELECT catid,upid,catname,child,xueduanid,chid FROM x2_soft_category WHERE chid=11 AND xueduanid= and bookversionid >0 and depth =1

PHP Debug

No.FileLineCode
1tiku.php72require_once(%s)
2source/module/tiku/tiku_quest.php87get_categoryinfo_tree(%d, %s, Array)
3source/function/function_quest.php502discuz_database::query(%s)
4source/class/discuz/discuz_database.php136db_driver_mysql->query(%s, false, false)
5source/class/db/db_driver_mysql.php156db_driver_mysql->halt(%s, %d, %s)
6source/class/db/db_driver_mysql.php227break()
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