How To Fix CNV_DMC_MC_EXCEPTION199 - Filepath too long; choose a shorter filepath

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 199

• Message text: Filepath too long; choose a shorter filepath

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC_EXCEPTION199 - Filepath too long; choose a shorter filepath ?

  The SAP error message CNV_DMC_MC_EXCEPTION199 with the description "Filepath too long; choose a shorter filepath" typically occurs in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that the file path specified for a file (such as a data file or log file) exceeds the maximum length allowed by the operating system or the SAP application.
  Cause:
  
  File Path Length: The file path exceeds the maximum character limit imposed by the operating system (e.g., Windows has a limit of 260 characters for file paths).
  Directory Structure: A deeply nested directory structure can contribute to long file paths.
  File Naming: Long file names or a combination of long directory names and file names can lead to exceeding the limit.
  
  Solution:
  
  
  Shorten the File Path:
  
  Move the files to a directory with a shorter path. For example, instead of using a path like C:\Users\YourUsername\Documents\SAP\DataMigration\Files\, you could use C:\SAP\Files\.
  Rename folders or files to have shorter names.
  
  
  
  Change Configuration Settings:
  
  If applicable, check the configuration settings in the SAP Data Migration Cockpit or the relevant tool to see if you can specify a different output directory with a shorter path.
  
  
  
  Use a Different Drive:
  
  If you are working on a system with multiple drives, consider using a drive with a shorter root path (e.g., D:\ instead of C:\Users\...).
  
  
  
  Check for Temporary Files:
  
  Sometimes, temporary files created during the migration process can also contribute to long paths. Ensure that temporary files are being cleaned up regularly.
  
  
  
  Review SAP Notes:
  
  Check the SAP Support Portal for any relevant notes or updates regarding this error. There may be specific patches or updates that address this issue.
  
  
  
  Related Information:
  
  Operating System Limits: Be aware of the file path length limitations of the operating system you are using. For example, Windows traditionally has a limit of 260 characters, but this can be extended in some configurations.
  SAP Documentation: Refer to the official SAP documentation for the Data Migration Cockpit or the specific tool you are using for any guidelines on file path lengths and best practices.
  Error Logs: Review any error logs generated during the migration process for additional context or related errors that may help in troubleshooting.
  
  By following these steps, you should be able to resolve the CNV_DMC_MC_EXCEPTION199 error and continue with your data migration or conversion process.