Message type: E = Error
Message class:  XS - SAPconnect: All messages 
Message number: 121
Message text: No messages sent
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
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The SAP error message XS121 "No messages sent" typically occurs in the context of SAP's messaging or communication systems, such as SAP Cloud Platform or SAP HANA XS (Extended Services). This error indicates that a message was expected to be sent, but for some reason, no message was actually dispatched. Causes:
Configuration Issues: The messaging system may not be properly configured, leading to failures in sending messages. Network Problems: Connectivity issues between the sender and receiver can prevent messages from being sent. Message Filtering: There may be filters in place that prevent certain messages from being sent based on specific criteria. Empty Message: The message being sent may be empty or null, which would result in no message being sent. Application Logic Errors: There could be bugs or logical errors in the application code that prevent messages from being sent. Solutions: Check Configuration: Review the configuration settings for the messaging system to ensure they are correct. This includes
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