How To Fix MDG_DT_DATA_MODEL027 - Cannot delete value; the key value may be incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_DT_DATA_MODEL - Messages for the Configuration Workbench Model Access API

• Message number: 027

• Message text: Cannot delete value; the key value may be incorrect

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_DT_DATA_MODEL027 - Cannot delete value; the key value may be incorrect ?

  The SAP error message MDG_DT_DATA_MODEL027 ("Cannot delete value; the key value may be incorrect") typically occurs in the context of Master Data Governance (MDG) when attempting to delete a value from a data model, such as a data element or a key attribute. This error indicates that the system is unable to delete the specified value because it cannot find a corresponding key value in the database.
  Causes:
  
  Incorrect Key Value: The key value you are trying to delete may not exist in the database. This could be due to a typo or an incorrect reference.
  Data Dependencies: The value you are trying to delete may be linked to other data records or entities, which prevents its deletion due to referential integrity constraints.
  Authorization Issues: The user may not have the necessary permissions to delete the specified value.
  Data Model Configuration: There may be issues with the configuration of the data model or the specific data element you are trying to modify.
  
  Solutions:
  
  Verify Key Value: Double-check the key value you are trying to delete. Ensure that it exists in the database and is correctly referenced.
  Check Dependencies: Investigate if the value is being used in other records or entities. If it is, you may need to delete or modify those dependencies first.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform delete operations on the specified data model.
  Consult Data Model Configuration: Review the configuration of the data model to ensure that it is set up correctly and that there are no constraints preventing the deletion.
  Use Transaction Codes: Utilize relevant transaction codes (like MDG_MAT, MDG_CUST, etc.) to navigate to the data model and check the status of the key value.
  Check Logs: Review application logs or error logs for more detailed information about the error, which may provide additional context or clues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to the official SAP documentation for Master Data Governance to understand the data model structure and constraints better.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who specializes in MDG.