Cannot query database. select * from gaestefuehrer_suppliermember where (member_nr='Andre\' Franke' or concat_ws(' ',firstname,name)='Andre' Franke') and status_id=1 and supplier_id in (165,0) 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 'Franke') and status_id=1 and supplier_id in (165,0)' at line 1