How To Fix SDME_OBJ423 - Attribute &1 is already in the attribute group

SAP Error Message - Details

• Message type: E = Error

• Message class: SDME_OBJ - DME: Maintenance Object Messages

• Message number: 423

• Message text: Attribute &1 is already in the attribute group

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 SDME_OBJ423 - Attribute &1 is already in the attribute group ?

  The SAP error message SDME_OBJ423 indicates that there is an issue with attribute management in the context of SAP Master Data Management (MDM) or SAP Data Management. Specifically, the error message states that the attribute you are trying to add or modify is already part of the specified attribute group.
  Cause:
  The primary cause of this error is that you are attempting to add an attribute to an attribute group that already contains that attribute. This can happen in scenarios where:
  
  Duplicate Entries: The attribute has already been defined in the attribute group, either by mistake or due to a misunderstanding of the existing configuration.
  Incorrect Configuration: There may be a misconfiguration in the data model or attribute group setup that leads to this conflict.
  Data Migration Issues: If you are migrating data or attributes from another system, duplicates may arise during the import process.
  
  Solution:
  To resolve the SDME_OBJ423 error, you can follow these steps:
  
  
  Check Existing Attributes: Review the attribute group in question to confirm whether the attribute is already included. You can do this by navigating to the attribute group configuration in the SAP system.
  
  
  Remove Duplicate: If the attribute is indeed already present, you do not need to add it again. If you intended to modify it, make the necessary changes directly to the existing attribute.
  
  
  Modify Attribute Group: If you need to add a different attribute, ensure that it is not already part of the group. If it is, consider whether you need to remove it from the group first or if you can modify the existing attribute instead.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on managing attributes and attribute groups effectively.
  
  
  Testing: After making changes, test the configuration to ensure that the error does not reoccur.
  
  
  Seek Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  Training and Documentation: Familiarize yourself with SAP MDM or Data Management training materials to better understand attribute management and configuration.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution effectively.