216: SELECT
217: LICENSE_PLATE_NUMBER
218: INTO M_OUTERMOST_LPN
219: FROM
220: WMS_LICENSE_PLATE_NUMBERS
221: WHERE LPN_ID = OUTERMOST_LPN_ID;
222: IF SQL%NOTFOUND THEN
223: M_OUTERMOST_LPN := 'ERROR';
224: END IF;
237: SELECT
238: LICENSE_PLATE_NUMBER
239: INTO M_PARENT_LPN
240: FROM
241: WMS_LICENSE_PLATE_NUMBERS
242: WHERE LPN_ID = PARENT_LPN_ID;
243: IF SQL%NOTFOUND THEN
244: M_PARENT_LPN := 'ERROR';
245: END IF;