How To Fix USMD_GENERIC_BOLUI001 - Key structure for object &1 in component &2 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD_GENERIC_BOLUI - Generic Messages for MDG UIs

• Message number: 001

• Message text: Key structure for object &1 in component &2 does not exist

What causes this issue?

The current UI configuration uses the genIL component &v2&. The selected
object &v1& does not have a valid key structure.

System Response

The UI configuration is not able to determine the field catalogue
correctly. The UI cannot be configured.

How to fix this error?

Check the genIL component &v2& in the genIL model browser (transaction
GENIL_MODEL_BROWSER). Locate the mentioned object &v1& and check its key
structure.
If you are using SAP Master Data Governance (SAP MDG) and the genIL
component is MDG, it might be the case that the required entity
structures of the used MDG data model &v3& are not yet generated. The
genIL component requires the following structures:
Mapping of Reuse Active Area
Search Application
Key Fields of an Entity Type
Check the generated structures in MDG Customizing in transaction MDGIMG
under <LS>General Settings -> Data Modeling -> Generate Data
Model-Specific Structures</>. Generate the aforementioned structures for
the affected data model and entity.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD_GENERIC_BOLUI001 - Key structure for object &1 in component &2 does not exist ?

  The SAP error message USMD_GENERIC_BOLUI001 indicates that there is an issue with the key structure for a specific object in a particular component. This error typically arises in the context of SAP Master Data Governance (MDG) or similar applications where data models and structures are defined.
  Cause:
  The error can occur due to several reasons:
  
  Missing Key Structure: The key structure for the specified object does not exist in the system. This could be due to a configuration issue or a missing data model.
  Incorrect Configuration: The component or object might not be properly configured in the system, leading to the inability to find the key structure.
  Transport Issues: If the object was recently transported from another system, the transport might not have included all necessary components or configurations.
  Version Mismatch: There may be a version mismatch between the data model and the application component being used.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Configuration:
  
  Verify that the key structure for the specified object exists in the system. You can do this by checking the relevant data model configuration in the SAP MDG or the specific application component.
  Ensure that the object and component names in the error message are correct and correspond to the expected configurations.
  
  
  
  Review Data Model:
  
  Go to the Data Model configuration in SAP MDG and check if the key structure is defined for the object in question.
  If it is missing, you may need to create or adjust the key structure accordingly.
  
  
  
  Transport Check:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included in the transport request.
  If something is missing, you may need to re-transport the required objects.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific object and component to ensure that you are following the correct procedures for configuration.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can trace the execution to see where the error is being triggered and gather more context about the missing key structure.
  
  
  
  SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant configuration information.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  MDG Documentation: Review the Master Data Governance documentation for guidance on configuring data models and key structures.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.