Error al ejecutar query [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 'ORDER BY t1.presentacion ASC' at line 8]SELECT t1.*, t2.titulo, t3.id_rubro, t3.id_categoria, (SELECT u1.url FROM articulos_fotos u1 WHERE u1.id_sistema=t1.id_sistema ORDER BY u1.orden ASC LIMIT 1) AS foto, t4.valor AS imp_valor, t4.imp_minim, t6.valor bonificacion, t6.porcentual  
            FROM articulos t1
            INNER JOIN productos t2 ON t1.id_producto=t2.id
            LEFT JOIN productos_relaciones t3 ON t2.id=t3.id_producto
            LEFT JOIN impuestos t4 ON t4.id=t1.id_impuesto
            LEFT JOIN bonificaciones_items t5 ON (t5.id_producto=t1.id  OR t5.id_rubro=t3.id_rubro OR t5.id_categoria=t3.id_categoria) 
            LEFT JOIN bonificaciones t6 ON t6.id=t5.id_bonificacion
            WHERE t1.borrado=0 AND t2.borrado=0 AND t1.id_producto= ORDER BY t1.presentacion ASC