error en query: SELECT DISTINCT(id_comision_concepto) AS id_comision_concepto,id_producto_comercial,id_tipo,no_aplica,id_trimestre_anio,concepto,gratis,numero,id_periodicidad_opfree,id_moneda,valor1,id_condicional,id_factor,valor2,id_referencia,id_periodicidad FROM comision_valor WHERE id_tipo=1 and activo='1' and id_trimestre_anio= and id_producto_comercial=25498 ORDER BY 1 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 id_producto_comercial=25498 ORDER BY 1' at line 1*1064