How To Fix OT767 - OCS Package &1: EPS file of ACP &2 is signed with wrong signature (&3)

SAP Error Message - Details

• Message type: E = Error

• Message class: OT - SAP Online Correction Support (SOCS)

• Message number: 767

• Message text: OCS Package &1: EPS file of ACP &2 is signed with wrong signature (&3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OT767 - OCS Package &1: EPS file of ACP &2 is signed with wrong signature (&3) ?

  The SAP error message OT767 indicates that there is an issue with the signature of an EPS (Extended Package Structure) file associated with an ACP (Add-On Installation Package). This error typically arises during the installation or update of an add-on in the SAP system.
  Cause:
  The error message "EPS file of ACP &2 is signed with wrong signature (&3)" suggests that the EPS file for the specified add-on package is not signed correctly. This can happen due to several reasons:
  
  Corrupted EPS File: The EPS file may have been corrupted during download or transfer.
  Incorrect Signature: The signature of the EPS file does not match the expected signature, which could indicate that the file has been tampered with or is not the correct version.
  Version Mismatch: The version of the add-on being installed may not be compatible with the current system or may require a different version of the EPS file.
  Missing or Invalid Certificate: The signing certificate used to sign the EPS file may be missing or invalid in the SAP system.
  
  Solution:
  To resolve the OT767 error, you can follow these steps:
  
  
  Verify the EPS File:
  
  Ensure that the EPS file is downloaded correctly and is not corrupted. You may want to re-download the file from a trusted source.
  
  
  
  Check the Signature:
  
  Verify the signature of the EPS file against the expected signature. This may involve checking the documentation provided with the add-on for the correct signature.
  
  
  
  Update the Add-On:
  
  If you are using an outdated version of the add-on, consider updating to the latest version that is compatible with your SAP system.
  
  
  
  Check Certificates:
  
  Ensure that the necessary signing certificates are installed and valid in your SAP system. You can check this in transaction code STRUST.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with the details of the error message and the steps you have already taken.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like STRUST (for managing SSL certificates) and SNOTE (for applying SAP Notes) to help troubleshoot and resolve issues related to signatures and certificates.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling EPS files and add-on installations.
  Documentation: Review the installation documentation for the specific add-on to ensure that all prerequisites and steps are followed correctly.
  
  By following these steps, you should be able to identify and resolve the cause of the OT767 error in your SAP system.