If the status on the Payment Txn is "Payment Complete", then this means that it has not progressed to the next status "Receipting Complete".
This can happen when:
- The Send Receipt on the Payment Form (related to the Payment Txn) is Not "Yes - PDF Version" or "Yes - PDF Version - Skip Recurring"
- The workflows that are delivered with Payments2Us are de-activated or modified (these are related to the Payment Txn object)
- There is an error with the receipt. Check the Error Log.
If that does not help, please do a review on the Payments2Us Error Log as there may have been a downstream processing issue. The error log should give you a tip on what the issue might be. How to check the status of a payment