www.xinkexue.com - 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 's Thesis'' at line 1

SELECT displayname FROM bib_pubtype WHERE typename='Master's Thesis'

PHP Debug

No.	File	Line	Code
1	bib.php	44	require_once(%s)
2	source/module/bib/bib_ref.php	128	discuz_database::result_first()
3	source/class/discuz/discuz_database.php	120	discuz_database::query()
4	source/class/discuz/discuz_database.php	139	db_driver_mysqli->query()
5	source/class/db/db_driver_mysqli.php	148	db_driver_mysqli->halt()
6	source/class/db/db_driver_mysqli.php	223	break()

Discuz! Database Error