How To Fix DDU305 - Inactive Unicode nametab & already contains entries

SAP Error Message - Details

• Message type: E = Error

• Message class: DDU - Dictionary Tools 5.0

• Message number: 305

• Message text: Inactive Unicode nametab & already contains entries

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 DDU305 - Inactive Unicode nametab & already contains entries ?

  The SAP error message DDU305 indicates that there is an issue with the Unicode nametab in the system. This error typically arises when there are inconsistencies or problems with the Unicode nametab, which is used to manage the names of various objects in a Unicode-enabled SAP system.
  Cause:
  
  Inactive Unicode Nametab: The Unicode nametab is not active, which means that the system cannot process names correctly.
  Existing Entries: The nametab already contains entries, which may lead to conflicts or inconsistencies when trying to activate or modify it.
  System Configuration Issues: There may be underlying configuration issues in the SAP system that prevent the nametab from being activated.
  
  Solution:
  To resolve the DDU305 error, you can follow these steps:
  
  
  Check the Status of the Unicode Nametab:
  
  Use transaction code SE11 to check the status of the nametab. Ensure that it is set to active.
  
  
  
  Activate the Unicode Nametab:
  
  If the nametab is inactive, you can try to activate it using transaction code SE11 or SE14 (for database object activation).
  If there are existing entries, you may need to delete or modify them before activation.
  
  
  
  Check for Inconsistencies:
  
  Use transaction code SE14 to check for inconsistencies in the database objects. This can help identify any issues that need to be resolved.
  
  
  
  Rebuild the Nametab:
  
  If the problem persists, you may need to rebuild the nametab. This can be done by deleting the existing entries and then re-creating the nametab.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that can resolve the issue.
  
  
  
  System Restart:
  
  In some cases, a system restart may help in resolving temporary issues related to the nametab.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue on your own, consider reaching out to SAP Support for assistance. They can provide guidance based on the specific configuration and version of your SAP system.
  
  
  
  Related Information:
  
  Unicode Support: Ensure that your SAP system is properly configured for Unicode support, as this is crucial for handling character sets and nametabs.
  Database Consistency: Regularly check for database consistency and perform necessary maintenance to avoid issues related to nametabs and other database objects.
  Backup: Always ensure that you have a backup of your data before making significant changes to the database or nametabs.
  
  By following these steps, you should be able to address the DDU305 error and restore the functionality of the Unicode nametab in your SAP system.