How To Fix /IWFND/CM_MGW402 - Subscription read failed

/IWFND/CM_MGW402 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 402

• Message text: Subscription read failed

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_MGW402 - Details

• The SAP error message /IWFND/CM_MGW402 Subscription read failed typically occurs in the context of SAP Gateway and OData services when there is an issue with reading a subscription from the backend system. This error can arise due to various reasons, including configuration issues, data inconsistencies, or problems with the OData service itself.
  Causes:
  
  Service 
  Configuration Issues: The OData service may not be properly configured or activated in the SAP Gateway.
  Authorization Problems: The user may not have the necessary authorizations to access the subscription data.
  Data Inconsistencies: There may be inconsistencies or missing data in the backend system that the OData service is trying to access.
  Network Issues: Connectivity problems between the SAP Gateway and the backend system can lead to this error.
  Service Versioning: If there are multiple versions of the OData service, the wrong version might be called.
  Backend Errors: Errors in the backend system (like ABAP programs or database issues) can prevent the service