How To Fix STW_OL717 - Unable to map user '&2' to valid SAP Jam user in application &1

SAP Error Message - Details

• Message type: E = Error

• Message class: STW_OL - Messages of the Object Layer (Stream Work Library)

• Message number: 717

• Message text: Unable to map user '&2' to valid SAP Jam user in application &1

What causes this issue?

A notification send request from Gateway contains a list of users as
recipients. These users are expected to be identified with their backend
user names. The backend user names will be translated into SAP Jam user
names.
For user &sy-msgv2& no SAP Jam user name could be retrieved.

System Response

The recipient &sy-msgv2& does not receive the notification.

How to fix this error?

Check if the user is a valid user in this backend system and meets all
requirements to connect to SAP Jam from this backend and in application
&sy-msgv1&.
In addition you may check the subscriptions in the Gateway system if
they are erroneous.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.