How To Fix /PF1/MSG_LOG_GUI020 - ISO validation failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_LOG_GUI -

• Message number: 020

• Message text: ISO validation failed

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 /PF1/MSG_LOG_GUI020 - ISO validation failed ?

  The SAP error message /PF1/MSG_LOG_GUI020 ISO validation failed typically indicates that there is an issue with the ISO validation of data being processed in the SAP system. This error can occur in various contexts, such as during data entry, file uploads, or when processing certain transactions.
  Cause:
  
  Invalid Data Format: The data being processed does not conform to the expected ISO format. This could be due to incorrect characters, wrong data types, or formatting issues.
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the expected ISO standards.
  Localization Settings: The system's localization settings may not match the data being processed, leading to validation failures.
  Data Source Issues: If the data is being imported from an external source, the source data may not be properly formatted according to ISO standards.
  
  Solution:
  
  Check Data Format: Review the data being processed to ensure it adheres to the required ISO format. This includes checking for valid characters, correct data types, and proper formatting.
  Review Configuration Settings: Check the configuration settings in the SAP system related to ISO standards. Ensure that they are set up correctly and align with the data being processed.
  Adjust Localization Settings: If applicable, verify the localization settings in the SAP system to ensure they match the data format being used.
  Data Cleansing: If the data is being imported from an external source, consider cleansing the data to ensure it meets the ISO standards before importing it into SAP.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on ISO validation and any related configuration settings.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE37 (Function Modules), or SE80 (Object Navigator) to investigate the data structures and function modules involved in the process that triggered the error.
  Debugging: If you have access to debugging tools, consider debugging the process to identify the exact point of failure and the data causing the issue.
  User Forums: Engage with SAP community forums or user groups to see if others have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.