How To Fix IU684 - Preparation of the control files failed (& does not exist)

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 684

• Message text: Preparation of the control files failed (& does not exist)

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 IU684 - Preparation of the control files failed (& does not exist) ?

  The SAP error message IU684, which states "Preparation of the control files failed (& does not exist)," typically occurs during the execution of certain processes in SAP, such as data uploads or batch processing. This error indicates that the system was unable to prepare the necessary control files for the operation, which can be due to various reasons.
  Causes:
  
  Missing Control Files: The control files required for the operation may not exist in the specified directory.
  File Path Issues: The path to the control files may be incorrect or not properly configured in the system settings.
  Authorization Issues: The user executing the process may not have the necessary permissions to access or create the control files.
  Disk Space Issues: There may be insufficient disk space on the server where the control files are supposed to be created or accessed.
  System Configuration: Incorrect configuration settings in the SAP system related to file handling or data processing.
  
  Solutions:
  
  Check File Existence: Verify that the control files exist in the expected directory. If they do not, you may need to create them or ensure that the process that generates them is functioning correctly.
  Verify File Path: Ensure that the file path specified in the configuration is correct. You may need to update the path in the relevant configuration settings.
  Check Authorizations: Ensure that the user has the necessary authorizations to access and create files in the specified directory. You may need to consult with your SAP security team to adjust permissions.
  Free Up Disk Space: Check the disk space on the server and free up space if necessary. This may involve deleting unnecessary files or increasing the disk capacity.
  Review System Configuration: Check the configuration settings related to file handling in SAP. This may involve reviewing transaction codes related to file management or batch processing.
  Consult SAP Notes: Look for any relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions to common issues.
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may want to check transaction codes like SM37 (Job Monitoring) to see if there are any related background jobs that failed.
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They may provide specific patches or updates that address the issue.
  Logs and Traces: Review system logs and traces for more detailed error messages that may provide additional context for the failure.
  
  By following these steps, you should be able to diagnose and resolve the IU684 error in your SAP system.