How To Fix DPR_APPROVAL064 - Use a valid signature in the PDF reader

SAP Error Message - Details

• Message type: E = Error

• Message class: DPR_APPROVAL - Development Projects: Approval Messages

• Message number: 064

• Message text: Use a valid signature in the PDF reader

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 DPR_APPROVAL064 - Use a valid signature in the PDF reader ?

  The SAP error message DPR_APPROVAL064 typically indicates that there is an issue with the digital signature in a PDF document that is being processed within the SAP system. This error often arises when the PDF reader being used does not recognize or validate the digital signature properly.
  Cause:
  
  Invalid Signature: The digital signature in the PDF may be invalid or corrupted.
  Unsupported Signature Format: The PDF reader may not support the signature format used in the document.
  Outdated PDF Reader: The PDF reader being used may be outdated and not capable of validating newer signature algorithms.
  Missing Certificates: The necessary certificates to validate the signature may not be installed or recognized by the PDF reader.
  Configuration Issues: There may be configuration issues within the SAP system or the PDF reader that prevent proper signature validation.
  
  Solution:
  
  Use a Compatible PDF Reader: Ensure that you are using a PDF reader that supports the digital signature format used in the document. Adobe Acrobat Reader is commonly recommended.
  Update PDF Reader: Make sure that your PDF reader is up to date. Newer versions often include support for the latest signature algorithms and formats.
  Check Signature Validity: Open the PDF in a different PDF reader to check if the signature is valid. If it is not, you may need to obtain a new version of the document with a valid signature.
  Install Required Certificates: If the signature requires specific certificates, ensure that they are installed in your system's certificate store.
  Review SAP Configuration: Check the configuration settings in SAP related to document management and digital signatures to ensure they are set up correctly.
  Consult Documentation: Refer to SAP documentation or support for specific guidance related to digital signatures and document approvals.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Documentation: Review SAP's official documentation on document management and digital signatures for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.