How To Fix /SMB/CUSTOMIZING020 - Could not upload inst.data file &1 of subobject &2: File open error

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/CUSTOMIZING -

• Message number: 020

• Message text: Could not upload inst.data file &1 of subobject &2: File open error

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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/CUSTOMIZING020 - Could not upload inst.data file &1 of subobject &2: File open error ?

  The SAP error message /SMB/CUSTOMIZING020 indicates that there was an issue while trying to upload an instance data file. The specific error message "File open error" suggests that the system encountered a problem accessing the specified file. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  File Path Issues: The file path specified may be incorrect or the file may not exist at the specified location.
  File Permissions: The user or the SAP system may not have the necessary permissions to access the file.
  File Format: The file may not be in the expected format or may be corrupted.
  Network Issues: If the file is located on a network drive, there may be connectivity issues.
  SAP System Configuration: There may be configuration issues within the SAP system that prevent file access.
  
  Solutions:
  
  Verify File Path: Check the file path specified in the upload process to ensure it is correct and that the file exists.
  Check Permissions: Ensure that the user account running the SAP process has the necessary permissions to access the file. This includes both file system permissions and SAP authorizations.
  Validate File Format: Make sure that the file is in the correct format and is not corrupted. You may want to try opening the file manually to check its integrity.
  Network Connectivity: If the file is on a network drive, ensure that the network connection is stable and that the drive is accessible.
  SAP Configuration: Review the SAP configuration settings related to file uploads. Ensure that the relevant parameters are set correctly.
  Use Transaction Codes: If applicable, use transaction codes like SFILE or SICF to check file settings and configurations.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs and Traces: Review the application logs (transaction SLG1) for more detailed error messages that may provide additional context.
  SAP Community: Consider searching or posting in the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.