How To Fix DT191 - Enhancement category & possible (include or subtype not yet classified)

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 191

• Message text: Enhancement category & possible (include or subtype not yet classified)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT191 - Enhancement category & possible (include or subtype not yet classified) ?

  The SAP error message DT191 typically relates to issues with enhancement categories in the context of ABAP development. This error can occur when you are trying to create or modify an enhancement and the system cannot classify it properly. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Enhancement Category Issues: The enhancement category might not be defined correctly or is missing. This can happen if the enhancement is not properly classified or if it is trying to use a subtype that has not been defined in the system.
  Inconsistent Data: There may be inconsistencies in the data related to the enhancement categories in the system.
  Transport Issues: If the enhancement was transported from another system, there might be issues with the transport that led to missing or incorrect definitions.
  System Configuration: The system configuration might not support the enhancement you are trying to implement.
  
  Solutions:
  
  Check Enhancement Categories: Go to transaction SE11 (Data Dictionary) and check the enhancement categories defined in your system. Ensure that the enhancement you are trying to use is properly classified.
  Define Missing Categories: If you find that the enhancement category is missing, you may need to define it in the system. This can be done through transaction SE20 (Enhancement Management).
  Review Transport Requests: If the enhancement was transported, check the transport requests to ensure that all necessary objects were included and that there were no errors during the transport.
  System Configuration: Review the system configuration settings related to enhancements. Ensure that the system is set up to support the enhancements you are trying to implement.
  Consult Documentation: Refer to SAP documentation or notes related to enhancement categories for any specific guidelines or updates that may apply to your version of SAP.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the DT191 error. You can search for relevant notes in the SAP Support Portal.
  ABAP Development Guidelines: Familiarize yourself with ABAP development guidelines regarding enhancements and modifications to ensure compliance with best practices.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. This can provide insights and solutions from other users who have faced the same error.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.