ok, now at least you got ur table right, but the data type still wrong,
U_EMPOLD_ID = $[@IT_INVENTORY_H.U_EMPFILENO.Number]
are you sure both of them are the same type? U_EMPOLD_ID is nvarchar? if so change it to CAST(U_EMPOLD_ID AS INT)
ok, now at least you got ur table right, but the data type still wrong,
U_EMPOLD_ID = $[@IT_INVENTORY_H.U_EMPFILENO.Number]
are you sure both of them are the same type? U_EMPOLD_ID is nvarchar? if so change it to CAST(U_EMPOLD_ID AS INT)