How To Fix MDG_GN205 - No object type defined for generator object type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_GN - Messages from the Generator

• Message number: 205

• Message text: No object type defined for generator object type &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.

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 MDG_GN205 - No object type defined for generator object type &1 ?

  The SAP error message MDG_GN205 ("No object type defined for generator object type &1") typically occurs in the context of Master Data Governance (MDG) when the system is unable to find a corresponding object type definition for a specified generator object type. This can happen during various operations, such as data replication, data modeling, or when trying to generate or process master data.
  Cause:
  
  Missing Configuration: The object type specified in the error message is not defined in the system. This could be due to a missing configuration in the MDG settings.
  Incorrect Object Type: The object type being referenced may be incorrect or not properly set up in the MDG framework.
  Transport Issues: If the configuration was recently transported from another system, it may not have been transported correctly, leading to missing definitions.
  Custom Development: If there are custom developments or enhancements, they may not have been properly integrated or may reference an object type that does not exist.
  
  Solution:
  
  
  Check Configuration: 
  
  Go to the MDG configuration settings and verify that the object type in question is defined correctly. This can typically be found in the MDG customizing settings under the relevant data model.
  Ensure that the object type is active and properly configured.
  
  
  
  Review Object Type Definitions:
  
  Use transaction code MDGIMG to access the MDG Implementation Guide and check the object types defined for your data model.
  Ensure that the object type referenced in the error message is listed and configured correctly.
  
  
  
  Transport Check:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary objects and configurations were included in the transport request.
  If something is missing, you may need to re-transport the necessary configurations.
  
  
  
  Custom Code Review:
  
  If there are custom developments, review the code to ensure that it is referencing the correct object types and that all necessary configurations are in place.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or notes related to the specific object type and MDG configuration for any additional guidance or known issues.
  
  
  
  SAP Support: 
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant configuration information.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MDGIMG (MDG Implementation Guide), MDG_MDS (Master Data Governance for Material), and others related to your specific data model.
  SAP Notes: Search for SAP Notes related to MDG_GN205 for any specific patches or updates that may address this issue.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the MDG_GN205 error message.