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

/IWFND/CM_UM000 - Overview

• 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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/IWFND/CM_UM000 - Details

• 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