Khóa học hiện có
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Database error: Invalid SQL: Select c.id, c.name, c.displayname as displayname from vvs_e_course as c, vvs_e_student_course as s where s.visible=1 and s.student= and c.id=s.course order by s.sortorder
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 'and c.id=s.course order by s.sortorder' at line 1)