How To Fix DMC_RT_GEN200 - No valid entry in Unicode control tables for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_GEN - DMC: Nachrichten der Generierungfunktionen

• Message number: 200

• Message text: No valid entry in Unicode control tables for &1

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 DMC_RT_GEN200 - No valid entry in Unicode control tables for &1 ?

  The SAP error message DMC_RT_GEN200 with the description "No valid entry in Unicode control tables for &1" typically indicates that there is an issue with the Unicode control tables in your SAP system. This error can occur in various scenarios, particularly when dealing with data that requires Unicode support.
  Cause:
  
  Missing or Incomplete Unicode Control Tables: The error suggests that the system is unable to find a valid entry in the Unicode control tables for the specified object or data type. This can happen if the Unicode control tables have not been properly populated or if there is a mismatch in the expected data format.
  Data Migration Issues: If you are migrating data from a non-Unicode system to a Unicode system, there may be entries that are not correctly mapped or are missing in the Unicode control tables.
  Custom Development: If there are custom programs or enhancements that interact with Unicode data, they may not be correctly handling the Unicode conversion or may be referencing invalid entries.
  
  Solution:
  
  Check Unicode Control Tables: Use transaction codes like SE11 (Data Dictionary) to check the relevant Unicode control tables. Ensure that the entries for the specified object (indicated by &1) exist and are valid.
  Update Unicode Control Tables: If entries are missing, you may need to update or regenerate the Unicode control tables. This can often be done through SAP support or by using specific SAP notes that address Unicode issues.
  Data Migration Review: If the error occurred during a data migration process, review the migration logs and ensure that all necessary mappings and conversions were performed correctly.
  Check Custom Code: If the error is related to custom development, review the code to ensure that it is correctly handling Unicode data. You may need to implement additional checks or conversions to ensure compatibility.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues related to Unicode control tables.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidance on Unicode support and control tables.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE37 (Function Builder), and SE80 (Object Navigator) for debugging and analyzing the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.