How To Fix APB_FPM_GUIBB013 - Row key for hierarchy is not defined correctly

SAP Error Message - Details

• Message type: E = Error

• Message class: APB_FPM_GUIBB -

• Message number: 013

• Message text: Row key for hierarchy is not defined correctly

What causes this issue?

The master column in the hierarchical list GUIBB needs to be defined in
the feeder class GET_DEFINITION method by defining the column types for
the master column. The row key column is incorrectly defined in the
feeder class.

System Response

The system displays an error message at design time.

How to fix this error?

Open the GET_DEFINITION method of the feeder class and define the row
key for the master column correctly.

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 APB_FPM_GUIBB013 - Row key for hierarchy is not defined correctly ?

  The SAP error message APB_FPM_GUIBB013: Row key for hierarchy is not defined correctly typically occurs in the context of SAP Fiori applications or SAP Web Dynpro applications that utilize the Floorplan Manager (FPM) and the Generic User Interface Building Blocks (GUIBB). This error indicates that there is an issue with the way the hierarchy data is being defined or accessed in the application.
  Cause:
  
  Incorrect Hierarchy Definition: The hierarchy structure may not be defined correctly in the underlying data model. This could be due to missing or incorrect key fields that are necessary for identifying rows in the hierarchy.
  Data Inconsistency: The data being fetched may not conform to the expected structure, leading to issues in how the hierarchy is built or displayed.
  Configuration Issues: There may be configuration issues in the FPM application or the GUIBB settings that are causing the hierarchy to not be recognized properly.
  Missing Data: If the data source does not return the expected hierarchy data, it can lead to this error.
  
  Solution:
  
  Check Hierarchy Configuration: Review the configuration of the hierarchy in the application. Ensure that all necessary key fields are defined and that they match the expected structure.
  Validate Data Source: Ensure that the data source (e.g., OData service, database table) is returning the correct data. You can test the data source independently to verify that it returns the expected hierarchy.
  Review Application Configuration: Check the FPM configuration and GUIBB settings to ensure that they are set up correctly. Look for any missing or incorrect parameters that could affect the hierarchy display.
  Debugging: If you have access to the development environment, consider debugging the application to trace where the error occurs. This can provide insights into what part of the hierarchy definition is causing the issue.
  Consult Documentation: Refer to SAP documentation for the specific FPM and GUIBB components you are using. There may be specific guidelines or requirements for defining hierarchies that you need to follow.
  SAP Notes and Support: Check for any relevant SAP Notes that may address this specific error. If the issue persists, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  SAP Fiori and FPM: Understanding how SAP Fiori applications and the Floorplan Manager work can help in troubleshooting issues related to GUIBBs and hierarchies.
  OData Services: Familiarity with OData services and how they interact with Fiori applications can be beneficial, especially if the hierarchy data is being fetched from an OData service.
  SAP Community: Engaging with the SAP Community can provide additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the APB_FPM_GUIBB013 error in your SAP application.