New PVRec Item Not Found

I'm trying to add a new table and link it to the sales order , what im trying to do is to have a PV list in one of the user fields in soheader with the new table i added

i created a pvrec and it works when i hit F3 but when i choose one it says item not found  , i added the PVrec also in the stored procedures but have no idea why it still gives me that error any ideas ???