Do you have any question about this error?
Message type: E = Error
Message class: MDG_DT_DATA_MODEL - Messages for the Configuration Workbench Model Access API
Message number: 020
Message text: Enter a valid data model for the hierarchy relationship or relationships
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.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
MDG_DT_DATA_MODEL020
- Enter a valid data model for the hierarchy relationship or relationships ?The SAP error message MDG_DT_DATA_MODEL020 typically occurs in the context of Master Data Governance (MDG) when there is an issue with the data model configuration, particularly related to hierarchy relationships. This error indicates that the system expects a valid data model for the hierarchy relationship, but it has not been provided or is incorrect.
Cause:
- Invalid Data Model: The data model specified for the hierarchy relationship is either not defined or is not valid in the context of the operation being performed.
- Missing Configuration: The hierarchy relationship may not be properly configured in the MDG settings.
- Incorrect Hierarchy Type: The hierarchy type being used may not match the expected type for the data model.
- Authorization Issues: There may be authorization issues preventing access to the required data model.
Solution:
Check Data Model Configuration:
- Go to the MDG configuration settings and verify that the data model for the hierarchy relationship is correctly defined.
- Ensure that the hierarchy relationship is linked to the correct data model.
Define or Adjust Hierarchy Relationships:
- If the hierarchy relationship is missing, you may need to create or adjust it in the MDG configuration.
- Navigate to the relevant configuration area in the SAP MDG customizing (transaction code: MDGIMG) and ensure that the hierarchy relationships are set up correctly.
Validate Hierarchy Type:
- Ensure that the hierarchy type you are trying to use is compatible with the data model you are working with.
Check Authorizations:
- Ensure that the user has the necessary authorizations to access and modify the data model and hierarchy relationships.
Consult Documentation:
- Refer to the SAP Help Portal or relevant documentation for specific guidance on configuring hierarchy relationships in MDG.
Testing:
- After making the necessary changes, test the configuration by attempting to perform the operation again to see if the error persists.
Related Information:
By following these steps, you should be able to identify and resolve the cause of the MDG_DT_DATA_MODEL020 error in your SAP system.
Get instant SAP help. Start your 7-day free trial now.
MDG_DT_DATA_MODEL019
Enter a valid data model for the hierarchy attribute or attributes
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
MDG_DT_DATA_MODEL018
Enter a valid data model for the object type code or object type codes
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
MDG_DT_DATA_MODEL021
Model name &1 already exists; provide any other name
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
MDG_DT_DATA_MODEL022
Entity &1 used in relationships is invalid; enter a valid entity
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.