How To Fix CFDI020 - Either PSE-filename, credentials, or cryptographic library is wrong

SAP Error Message - Details

• Message type: E = Error

• Message class: CFDI - MX: CFDI Message Class

• Message number: 020

• Message text: Either PSE-filename, credentials, or cryptographic library is wrong

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFDI020 - Either PSE-filename, credentials, or cryptographic library is wrong ?

  The SAP error message CFDI020 indicates an issue with the configuration of the Public Service Entity (PSE) file, credentials, or the cryptographic library used for electronic invoicing (CFDI - Comprobante Fiscal Digital por Internet) in SAP. This error typically arises when the system is unable to access or validate the necessary cryptographic components required for generating or processing electronic invoices.
  Causes:
  
  Incorrect PSE Filename: The specified PSE file may not exist, or the filename may be incorrect in the configuration.
  Invalid Credentials: The credentials (such as the private key or password) used to access the PSE may be incorrect or not properly configured.
  Cryptographic Library Issues: The cryptographic library required for processing the PSE may not be installed, configured, or compatible with the SAP system.
  File Permissions: The user or service account running the SAP application may not have the necessary permissions to access the PSE file.
  Configuration Errors: There may be misconfigurations in the settings related to electronic invoicing in the SAP system.
  
  Solutions:
  
  
  Verify PSE Filename:
  
  Check the configuration settings in SAP to ensure that the PSE filename is correct and that the file exists in the specified location.
  Ensure that the PSE file is accessible and not corrupted.
  
  
  
  Check Credentials:
  
  Verify that the credentials (passwords, keys) used to access the PSE are correct.
  If necessary, regenerate the PSE and update the credentials accordingly.
  
  
  
  Review Cryptographic Library:
  
  Ensure that the required cryptographic library is installed and properly configured in the SAP system.
  Check for any updates or patches that may be needed for the cryptographic library.
  
  
  
  File Permissions:
  
  Ensure that the SAP application has the necessary permissions to read the PSE file. Adjust file permissions as needed.
  
  
  
  Configuration Review:
  
  Review the configuration settings for electronic invoicing in SAP to ensure that all parameters are set correctly.
  Consult SAP documentation or support for specific configuration steps related to CFDI.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for electronic invoicing and PSE configuration for detailed guidance.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the steps you have taken to resolve it.
  
  By following these steps, you should be able to identify and resolve the cause of the CFDI020 error in your SAP system.