How To Fix CMS189 - Parameter authId Does Not Correspond to Signature: &1 <> &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS - KPro: Content Management Service

• Message number: 189

• Message text: Parameter authId Does Not Correspond to Signature: &1 <> &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMS189 - Parameter authId Does Not Correspond to Signature: &1 <> &2 ?

  The SAP error message CMS189, which states "Parameter authId Does Not Correspond to Signature: &1 <> &2," typically occurs in the context of SAP's security and authentication mechanisms, particularly when dealing with digital signatures or authorization checks.
  Cause:
  This error usually arises when there is a mismatch between the expected authorization ID (authId) and the actual signature being processed. The parameters &1 and &2 in the error message represent the expected authorization ID and the actual signature ID, respectively. This can happen due to several reasons:
  
  Configuration Issues: Incorrect configuration of the security settings or digital signature settings in the SAP system.
  Data Corruption: Corrupted data in the system that leads to mismatched IDs.
  User Authorization Problems: The user may not have the necessary authorizations or roles assigned, leading to a failure in the signature verification process.
  System Updates or Changes: Recent updates or changes in the system that have not been properly synchronized or configured.
  
  Solution:
  To resolve the CMS189 error, you can follow these steps:
  
  
  Check User Authorizations:
  
  Ensure that the user encountering the error has the necessary authorizations and roles assigned. You can do this by checking the user profile in transaction SU01.
  
  
  
  Review Configuration Settings:
  
  Verify the configuration settings related to digital signatures and authentication in the system. This can include checking the settings in transaction STRUST for SSL and digital certificates.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the relevant data. This may involve checking the database tables related to signatures and authorizations to ensure there are no discrepancies.
  
  
  
  Recreate the Signature:
  
  If the signature is corrupted or invalid, you may need to recreate it. This can involve re-signing documents or re-establishing the digital signature process.
  
  
  
  System Logs and Traces:
  
  Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance), STRUST (SSL Server Standard), and SLG1 (Application Log).
  SAP Documentation: Review SAP documentation related to security, digital signatures, and authorization management for more insights.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the CMS189 error in your SAP system.