Symptom
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.
Environment
SAP Business Bydesign All Versions
Reproducing the Issue
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Go to Purchase Requests and Orders work center, Purchase Orders view.
-
Open purchase order ABC, you see there is a open task in the header:
Check Deviating Purchase Order Acknowledgment -
Open the task, click accept deviation, system raises errors:
Saving of purchase order changes not possible; changes inconsistent.
No result returned by external provider.
Cause
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.
Resolution
Please follow below steps:
- Go to Application and User Management work center, Communication Arrangements view.
- Find the communication arrangement for Vertex.
- 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.
Keywords
Accept Deviation, Purchase Order Acknowledgement, Vertex , KBA , AP-POP , Purchase Order Processing , Problem