How To Fix /IWNGW/CM_HUB126 - Invalid recipients exist for below source id(s)

/IWNGW/CM_HUB126 - Overview

• Message type: E = Error

• Message class: /IWNGW/CM_HUB -

• Message number: 126

• Message text: Invalid recipients exist for below source id(s)

Self-Explanatory Message

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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/IWNGW/CM_HUB126 - Details

• The SAP error message /IWNGW/CM_HUB126 Invalid recipients exist for below source id(s) typically occurs in the context of the SAP Gateway or SAP Cloud Platform when there are issues with the recipient configuration for notifications or messages being sent from the system. This error indicates that there are recipients associated with a specific source ID that are not valid or cannot be resolved.
  Causes:
  
  Invalid Recipient Configuration: The recipient (user or system) may not be correctly configured in the system. This could be due to missing or incorrect email addresses, user IDs, or other identifiers.
  Inactive Users: The recipients may be inactive or deleted users in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to receive messages or notifications.
  System 
  Configuration Issues: There may be issues with the configuration of the communication channels or the underlying system settings.
  
  Solutions:
  
  
  Check Recipient Configuration:
  
  Verify that the recipients associated with the source ID are correctly