How To Fix TWBA048 - The message could not be delivered to recipient &1

SAP Error Message - Details

• Message type: E = Error

• Message class: TWBA - Test case attribute messages

• Message number: 048

• Message text: The message could not be delivered to recipient &1

What causes this issue?

You have tried to send a message.

System Response

The message could not be sent because an RFC connection is inactive or
not valid.

How to fix this error?

Check whether the RFC connections required for your mail system are
valid and active, with transaction <ZK>stwb_set</>. You can test RFC
connections with transaction SM59.

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.