How To Fix /IWFND/CM_UM005 - No issuer certificate defined on issuer table for the requested consumer

/IWFND/CM_UM005 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_UM -

• Message number: 005

• Message text: No issuer certificate defined on issuer table for the requested consumer

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_UM005 - Details

• The SAP error message /IWFND/CM_UM005 No issuer certificate defined on issuer table for the requested consumer typically occurs in the context of SAP Gateway and OData services when there is an issue with the security configuration, particularly related to the SSL/TLS certificates used for secure communication.
  
  Cause:
  This error indicates that the system is unable to find a valid issuer certificate for the consumer (client) that is trying to access the OData service. This can happen due to several reasons:
  
  Missing Certificate: The issuer certificate for the consumer is not defined in the issuer table.
  Incorrect Configuration: The configuration for the SSL/TLS settings may not be set up correctly.
  Expired Certificate: The certificate may have expired or is not valid anymore.
  Trust Relationship: There may be a trust issue between the consumer and the SAP system.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Issuer Table:
  
  Go to transaction code STRUST in the SAP GUI.
  Check the "SSL