Error

Se produjo un error al acceder a la base de datos 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 e.idart=a.idart and a.obsoleto=0 and a.vta=1)) nm_sel_esp' at line 1 select count(*) from (select a.idart, a.nombre, a.idfam, a.cb, a.reference from art a where a.idart not in (select e.idart from almart e where e.idalm= and e.idart=a.idart and a.obsoleto=0 and a.vta=1)) nm_sel_esp