Try using a different number.
Receipt Number should auto default. Do not change that number. Continue to the next field.
Vendor Doc. Number: try adding a dot ( . ) to the end of the invoice number so it isn't a duplicate
Vendor ID: enter the vendor ID
Then click on Auto-Invoice at the top.
Does the PO show up?
Those are my tricks.
Sorry, that was the best I had.
You might need to open a case with tech support.
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