How To Fix /IWFND/CM_UM000 - Wrong Issuer &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_UM -

• Message number: 000

• Message text: Wrong Issuer &1

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 /IWFND/CM_UM000 - Wrong Issuer &1 ?

  The SAP error message /IWFND/CM_UM000 Wrong Issuer &1 typically occurs in the context of SAP Gateway and OData services. This error indicates that there is a mismatch or an issue with the issuer of the token used for authentication in the OData service call. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Token Issuer Mismatch: The token being used for authentication may have been issued by a different issuer than what the SAP Gateway expects. This can happen if there are multiple identity providers or if the configuration is incorrect.
  Configuration Issues: The configuration settings for the OData service or the authentication method may not be set up correctly, leading to the system not recognizing the token issuer.
  Expired or Invalid Token: The token might be expired or invalid, which can also lead to this error.
  Service Principal Name (SPN) Issues: If using Kerberos authentication, there may be issues with the SPN configuration.
  
  Solutions:
  
  Check Token Issuer: Verify the issuer of the token being used. Ensure that it matches the expected issuer configured in the SAP Gateway.
  Review Configuration: 
  
  Go to the SAP Gateway settings and check the configuration for the OData service.
  Ensure that the authentication method and identity provider settings are correctly configured.
  
  
  Regenerate Token: If the token is expired or invalid, regenerate the token and try the request again.
  Check Identity Provider: If using an external identity provider, ensure that it is correctly configured and that the issuer is recognized by the SAP system.
  Review Logs: Check the SAP Gateway logs for more detailed error messages that can provide additional context on the issue.
  Consult Documentation: Refer to SAP documentation for specific configuration settings related to the authentication method being used (e.g., OAuth, SAML).
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  OData Service Documentation: Review the documentation for the specific OData service you are working with to ensure all prerequisites and configurations are met.
  
  By following these steps, you should be able to identify the cause of the /IWFND/CM_UM000 Wrong Issuer &1 error and implement a solution to resolve it.