How To Fix SO421 - Error when writing file

SAP Error Message - Details

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 421

• Message text: Error when writing file

What causes this issue?

The content of the document is saved in a file during export.
An error occuring in the writing to this file.

System Response

The export was not carried out.

How to fix this error?

Please check the file. It may be write protected. It is also possible
that the file size determined when the file was imported into SAPoffice
differs from the actual file size. If this is the case, the file is
destroyed and the file must be imported again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SO421 - Error when writing file ?

  The SAP error message SO421 indicates that there is an issue when trying to write a file, typically related to the SAP Office Integration or the SAP spool system. This error can occur for various reasons, and here are some common causes, solutions, and related information:
  Causes of SO421 Error
  
  
  File Path Issues: The specified file path may not exist, or the directory may not have the necessary permissions for writing files.
  
  
  Insufficient Authorizations: The user may not have the required authorizations to write to the specified location.
  
  
  Disk Space: The disk where the file is being written may be full, preventing any new files from being created.
  
  
  File System Limitations: There may be limitations on the file system, such as maximum file size or number of files in a directory.
  
  
  Network Issues: If the file is being written to a network location, there may be connectivity issues or the network path may be incorrect.
  
  
  SAP Configuration Issues: There may be configuration issues within the SAP system that affect file writing capabilities.
  
  
  Solutions
  
  
  Check File Path: Verify that the file path specified in the SAP transaction is correct and that the directory exists.
  
  
  Check Permissions: Ensure that the user has the necessary permissions to write to the specified directory. This may involve checking both SAP authorizations and operating system permissions.
  
  
  Free Up Disk Space: Check the disk space on the server where the file is being written. If it is full, free up some space.
  
  
  Review File System Limits: Check for any file system limitations that may be affecting the ability to write files.
  
  
  Network Connectivity: If writing to a network location, ensure that the network path is accessible and that there are no connectivity issues.
  
  
  SAP Configuration: Review the SAP configuration settings related to file writing. This may involve checking the settings in transaction codes like SOST (for SAPconnect) or SP01 (for spool requests).
  
  
  Check Logs: Review the SAP application logs (transaction SLG1) for more detailed error messages that may provide additional context for the issue.
  
  
  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.
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SOST for sending emails and SP01 for managing spool requests.
  
  
  SAP Community: Engage with 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 contact your SAP Basis team or SAP support for further assistance.