How To Fix ISLM_API066 - Signature structure &1 not found in submitted signature

SAP Error Message - Details

• Message type: E = Error

• Message class: ISLM_API - API Messages

• Message number: 066

• Message text: Signature structure &1 not found in submitted signature

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 ISLM_API066 - Signature structure &1 not found in submitted signature ?

  The SAP error message ISLM_API066, which states "Signature structure &1 not found in submitted signature," typically occurs in the context of SAP's Integrated Signature Lifecycle Management (ISLM) or when dealing with digital signatures in SAP applications. This error indicates that the system is unable to find the expected signature structure in the submitted data.
  Cause:
  
  Missing Signature Structure: The signature structure that is referenced in the error message is not defined or is missing in the system.
  Incorrect Configuration: There may be a misconfiguration in the signature settings or the signature profile being used.
  Data Submission Issues: The data being submitted may not conform to the expected format or may be incomplete.
  Version Mismatch: There could be a version mismatch between the signature structure expected by the system and the one being submitted.
  
  Solution:
  
  
  Check Signature Structure: Verify that the signature structure referenced in the error message is correctly defined in the system. You can do this by checking the configuration settings for digital signatures in the relevant transaction codes (e.g., SO10 for text elements, or other relevant configuration transactions).
  
  
  Review Configuration: Ensure that the configuration for the signature profiles and settings is correct. This may involve checking the settings in the ISLM configuration or related areas.
  
  
  Validate Data Submission: Ensure that the data being submitted includes all required fields and is formatted correctly. If you are using an interface or API, check the documentation to ensure compliance with the expected structure.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to ISLM and digital signatures for any specific requirements or known issues that might relate to your situation.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes for known issues related to this error.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error details and any relevant logs or screenshots to help diagnose the issue.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Documentation: Review the official SAP documentation for ISLM and digital signatures to understand the expected configurations and structures.
  
  By following these steps, you should be able to identify the cause of the ISLM_API066 error and implement a solution to resolve it.