2638620 - Cannot Accept Deviation for Purchase Order Acknowledgement

You cannot accept deviation for purchase order acknowledgement, system raises errors:

Saving of purchase order changes not possible; changes inconsistent.

No result returned by external provider.

SAP Business Bydesign All Versions

1. Go to Purchase Requests and Orders work center, Purchase Orders view.
2. Open purchase order ABC, you see there is a open task in the header:
   Check Deviating Purchase Order Acknowledgment
3. Open the task, click accept deviation, system raises errors:
   Saving of purchase order changes not possible; changes inconsistent.
   No result returned by external provider.

Please check if you are using SSL certificate as the authentication method in the communication arrangement for Vertex.

If yes, exception comes in reading password class because the password field is empty.

Please follow below steps:

1. Go to Application and User Management work center, Communication Arrangements view.
2. Find the communication arrangement for Vertex.
3. Change the authentication method to User ID and Password and provide the user name and password there.

After it please try to accept deviation again, the error messages will disappear.

Accept Deviation, Purchase Order Acknowledgement, Vertex , KBA , AP-POP , Purchase Order Processing , Problem