dbInterface error: db_query with invalid SQL-statement.

<INSERT INTO NPDPO (ID_NPD, ID_PRO, ID_VAR, NUM_DAO_NPDPO, NUM_VAR_NPDPO, QUANTITY_NPDPO, PRODUCT_NPDPO,
					PRICE_NPDPO, VAT_NPDPO, PIC_NPDPO, PICPATH_NPDPO, WORLD_NPDPO, MEDIATYPE_NPDPO, MANUFAC1_NPDPO, MANUFAC2_NPDPO, ORIGIN_NPDPO, ORIGIN_PRO_NPDPO)
				VALUES (84613, 0, 0, NULL, NULL, 1, NULL, , , NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL)>
 Process aborted