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 sn.element_ID = tpw.element_ID' at line 1 Query: SELECT sn.SkigebietName FROM skigebietnamen sn, partnercenter_winter tpw WHERE tpw.element_ID = AND sn.element_ID = tpw.element_ID