How To Fix /IWFND/CM_MGW121 - Processing mode "OData on Backend": Error occurred in backend system.

/IWFND/CM_MGW121 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 121

• Message text: Processing mode "OData on Backend": Error occurred in backend system.

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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/IWFND/CM_MGW121 - Details

• The SAP error message /IWFND/CM_MGW121 indicates that there was an issue while processing an OData request in the backend system. This error typically arises in the context of SAP Gateway services when the backend system encounters a problem while trying to fulfill the request.
  Causes:
  
  Backend System Issues: The backend system (like an SAP ERP or S/4HANA system) may be down, unresponsive, or experiencing performance issues.
  Authorization Problems: The user making the request may not have the necessary authorizations to access the data or execute the operation.
  Data Issues: There may be inconsistencies or issues with the data being requested, such as missing records or invalid data formats.
  Service Configuration: The OData service may not be properly configured or activated in the backend system.
  Network Issues: There could be network connectivity problems between the SAP Gateway and the backend system.
  Error in Business Logic: There may be an error in the business logic implemented in the backend