How To Fix /IWNGW/CM_HUB121 - Call back not performed as system alias is invalid

/IWNGW/CM_HUB121 - Overview

• Message type: E = Error

• Message class: /IWNGW/CM_HUB -

• Message number: 121

• Message text: Call back not performed as system alias is invalid

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWNGW/CM_HUB121 - Call back not performed as system alias is invalid ?

  The SAP error message /IWNGW/CM_HUB121 Call back not performed as system alias is invalid typically occurs in the context of SAP Gateway services, particularly when there is an issue with the configuration of the system alias used for communication between the SAP Gateway and the backend system.
  
  Cause:
  
  Invalid System Alias: The system alias configured in the SAP Gateway is either incorrect or does not exist in the backend system.
  Missing Configuration: The system alias may not be properly set up in the SAP Gateway configuration.
  Authorization Issues: The user or service account being used may not have the necessary authorizations to access the backend system.
  Network Issues: There may be network connectivity issues preventing the SAP Gateway from reaching the backend system.
  
  
  Solution:
  
  
  Check System Alias Configuration:
  
  Go to the SAP Gateway system and check the configuration of the system alias.
  Use transaction code /IWFND/MAINT_SERVICE to view the services and their associated system aliases.
  Ensure that the system alias