How To Fix IDMX502 - Digital signature of FI document & is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: IDMX - Localization Mexico - Digital Invoice

• Message number: 502

• Message text: Digital signature of FI document & is invalid

What causes this issue?

One of the following situations occurred:
The data in the digital signature is invalid or incomplete
The data saved in the digital signature process was saved incorrectly
when you created the digital signature
Someone manipulated the data in the digital signature

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IDMX502 - Digital signature of FI document & is invalid ?

  The SAP error message IDMX502 indicates that the digital signature of a Financial (FI) document is invalid. This error typically arises in scenarios where digital signatures are used to ensure the integrity and authenticity of financial documents in SAP systems. Here are the potential causes, solutions, and related information for this error:
  Causes:
  
  Corrupted Document: The document may have been altered after it was signed, leading to an invalid signature.
  Expired Certificate: The digital certificate used to sign the document may have expired or been revoked.
  Incorrect Configuration: There may be issues with the configuration of the digital signature settings in the SAP system.
  Missing Trust Relationship: The system may not trust the certificate authority (CA) that issued the digital certificate.
  Technical Issues: There could be underlying technical issues with the SAP system or the digital signature component.
  
  Solutions:
  
  Verify Document Integrity: Check if the document has been modified after it was signed. If it has, you may need to revert to the original version.
  Check Certificate Validity: Ensure that the digital certificate used for signing is valid, not expired, and has not been revoked. You can check this in the SAP system's certificate management.
  Reconfigure Digital Signature Settings: Review and, if necessary, reconfigure the digital signature settings in the SAP system. This may involve checking the settings in transaction codes like STRUST or SSO2.
  Establish Trust Relationship: Ensure that the CA that issued the digital certificate is trusted by the SAP system. You may need to import the CA's root certificate into the SAP trust store.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They can provide more detailed troubleshooting based on your specific system configuration.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like STRUST (for managing SSL certificates) and SSO2 (for Single Sign-On settings) to manage digital signatures and certificates.
  Documentation: Review SAP documentation related to digital signatures and security settings to ensure compliance with best practices.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the IDMX502 error in your SAP system.