SAP 5.0

PO wont let me ship Partial Shipments

I entered a PO on SAP but when I get to the delivery page it just shows one line of the PO (the only line that we have enough material for) all the other partial lines are not showing and wont let me invoice them, this has never happened before as we usually ship some partial lines  ...

How do i open a SAP transaction which is saved in the D: using .bat

If i've saved a shortcut for a SAP transaction to the desktop and need to open that very transaction using a batch files. Need to know if that possible. please advise