How To Fix /PF1/MSG_GUI148 - '/..' and '\..' are not allowed in directory path

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_GUI -

• Message number: 148

• Message text: '/..' and '\..' are not allowed in directory path

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_GUI148 - '/..' and '\..' are not allowed in directory path ?

  The SAP error message /PF1/MSG_GUI148 indicates that the directory path you are trying to use contains invalid characters or sequences, specifically the use of .. (parent directory) or . (current directory) in the path. This is a restriction in SAP to prevent directory traversal attacks and ensure that the file paths are secure and valid.
  Cause:
  The error occurs when:
  
  You attempt to specify a directory path that includes .. or ..
  The path is being constructed dynamically and inadvertently includes these sequences.
  The path is being entered manually and contains these characters.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Path: Review the directory path you are trying to use and ensure it does not contain .. or .. For example, instead of using C:\folder\..\subfolder, use C:\folder\subfolder.
  
  
  Modify the Input: If the path is being generated programmatically, modify the code to ensure that it constructs valid paths without these sequences.
  
  
  Use Absolute Paths: Always use absolute paths instead of relative paths to avoid ambiguity and potential errors.
  
  
  Validate Input: If the path is being entered by a user, implement validation to check for invalid characters or sequences before processing the input.
  
  
  Consult Documentation: Refer to SAP documentation or your organization's guidelines for valid directory paths and any specific requirements for the system you are working with.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. Sometimes, specific versions of SAP may have known issues that are documented.
  Security Best Practices: Familiarize yourself with security best practices regarding file paths and directory access in SAP to prevent similar issues in the future.
  SAP Community: Engage with the SAP Community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to resolve the error and ensure that your directory paths are valid and secure.