The following scripts can be used to check for huge line numbers:

-- PO Requisitions

select * from PO_REQUISITION_LINES_ALL where LINE_NUM > 1000000000;

-- PO Lines

select * from PO_LINES_ALL where LINE_NUM > 1000000000;

-- Receiving Supply

SELECT * FROM PO_RCV_SUPPLY_VIEW WHERE LINE_NUM > 1000000000;

-- Requisition Supply

SELECT * FROM PO_REQ_SUPPLY_VIEW WHERE LINE_NUM > 1000000000;

-- PO Supply

SELECT * FROM PO_PO_SUPPLY_VIEW WHERE LINE_NUM > 1000000000; 

-- Intransit Shipment Supply

SELECT * FROM PO_SHIP_SUPPLY_VIEW WHERE SHIPMENT_LINE_NUM > 1000000000; 

-- Intransit Receiving Supply

SELECT * FROM PO_SHIP_RCV_SUPPLY_VIEW WHERE SHIPMENT_LINE_NUM > 1000000000;

--

-- Receiving Supply

SELECT * FROM PO_RCV_SUPPLY_VIEW WHERE LINE_NUM > 1000000000;

-- Requisition Supply

SELECT * FROM PO_REQ_SUPPLY_VIEW WHERE LINE_NUM > 1000000000;

-- PO Supply

SELECT * FROM PO_PO_SUPPLY_VIEW WHERE LINE_NUM > 1000000000; 

-- Intransit Shipment Supply

SELECT * FROM PO_SHIP_SUPPLY_VIEW WHERE SHIPMENT_LINE_NUM > 1000000000; 

-- Intransit Receiving Supply

SELECT * FROM PO_SHIP_RCV_SUPPLY_VIEW WHERE SHIPMENT_LINE_NUM > 1000000000;

Refer to below view when running MRP with check "Net Purchase" in

plan option.

( PO_RCV_SUPPLY_VIEW, PO_REQ_SUPPLY_VIEW, PO_PO_SUPPLY_VIEW,PO_SHIP_SUPPLY_VIEW, PO_SHIP_RCV_SUPPLY_VIEW )

SELECT * FROM MRP_PO_SUPPLY_VIEW WHERE SUPPLY_LINE_NUM > 1000000000