How To Fix TQ420 - Preparing the buffer file: rc=&

SAP Error Message - Details

• Message type: E = Error

• Message class: TQ - SAPup Messages

• Message number: 420

• Message text: Preparing the buffer file: rc=&

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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Smart SAP Assistant

• What is the cause and solution for SAP error message TQ420 - Preparing the buffer file: rc=& ?

  The SAP error message TQ420, which states "Preparing the buffer file: rc=&?", typically occurs during the process of generating or processing a buffer file in SAP. This error can arise in various contexts, such as during data transfer, report generation, or when working with specific SAP modules.
  Cause:
  The error message indicates that there was an issue while preparing the buffer file, and the return code (rc) is not as expected. Common causes for this error include:
  
  File System Issues: There may be insufficient disk space or permission issues on the file system where the buffer file is being created.
  Configuration Errors: Incorrect configuration settings in the SAP system related to file handling or buffer management.
  Network Issues: If the buffer file is being created on a network location, network connectivity issues could lead to this error.
  SAP Notes: There may be known issues or bugs related to the specific version of SAP you are using, which can be resolved by applying relevant SAP Notes.
  
  Solution:
  To resolve the TQ420 error, you can take the following steps:
  
  
  Check Disk Space: Ensure that there is enough disk space on the server where the buffer file is being created. You can use system commands to check available space.
  
  
  Verify Permissions: Check the permissions of the directory where the buffer file is being created. Ensure that the SAP user has the necessary read/write permissions.
  
  
  Review Configuration: Look into the configuration settings related to the buffer file generation. Ensure that all parameters are set correctly.
  
  
  Check Network Connectivity: If the buffer file is being created on a network location, verify that the network connection is stable and that the path is accessible.
  
  
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that might address this specific error. Applying a patch or update may resolve the issue.
  
  
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide additional context about the failure.
  
  
  Restart the Process: Sometimes, simply restarting the process that triggered the error can resolve transient issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on buffer file handling and error messages.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Always check system logs for any additional error messages that may provide more context to the issue.
  
  By following these steps, you should be able to diagnose and resolve the TQ420 error in your SAP environment.