3183741 - Error: "PO-11: Cannot deliver order. Terminal error code for PO status" when sending Purchase Order (PO) via email

• Purchase Order is failing and not reaching the supplier email. The History tab for the Purchase Order shows the error: PO-11: Cannot deliver order. Terminal error code for PO status: The state of document XXXXXXXXXXXXXXXXXXXXXXXXXX was changed to Failed after unsuccessful attempts to resend it
• The supplier is also able to view the Purchase Order in their Inbox, but it is marked as Failed. In the Purchase Order History tab, the error shows: PO-3: Cannot send order to supplier
• The Stack trace column in the Purchase Order History tab shows the exception: com.webobjects.foundation.NSValidation$ValidationException: The emailAddress property of ANEmailTracker is not allowed to be null. (...)
• Both buyer and supplier accounts, it is possible to see Transfer to the next integration point has been delayed. Retries: X in the History tab of the Purchase Order.

emailAddress, ANEmailTracker, null, failing, failure , KBA , SBN-AN-TX-POA , Transaction (Purchase Orders, Ship Notices & Goods Receipts) , Problem