How To Fix APB_FPM_TEST201 - Node element with row key &1 expanded

SAP Error Message - Details

• Message type: E = Error

• Message class: APB_FPM_TEST - Messages for the Test applicaitons

• Message number: 201

• Message text: Node element with row key &1 expanded

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message APB_FPM_TEST201 - Node element with row key &1 expanded ?

  The SAP error message "APB_FPM_TEST201 Node element with row key &1 expanded" typically occurs in the context of the Floorplan Manager (FPM) in SAP applications. This error indicates that there is an issue with the expansion of a node element in a hierarchical structure, such as a tree or a table.
  Cause:
  
  Data Structure Issues: The node element with the specified row key may not exist or may not be properly defined in the underlying data model.
  Configuration Errors: There may be a misconfiguration in the FPM application or the associated Web Dynpro component.
  State Management: The application might be trying to expand a node that is not in a valid state or has not been initialized correctly.
  Backend Issues: There could be issues with the backend data retrieval, such as missing data or incorrect data formats.
  
  Solution:
  
  Check Data Model: Ensure that the data model used in the FPM application is correctly defined and that the node with the specified row key exists.
  Review Configuration: Verify the configuration settings in the FPM application. Check the configuration of the UI elements and ensure that they are set up correctly.
  Debugging: Use debugging tools to trace the execution flow and identify where the error occurs. Look for any exceptions or errors in the backend processing.
  Initialization: Ensure that the node is properly initialized before attempting to expand it. This may involve checking the lifecycle methods in the Web Dynpro component.
  Backend Data Check: If the application relies on backend data, ensure that the data is available and correctly formatted. Check for any inconsistencies or missing entries in the database.
  
  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.
  FPM Documentation: Review the official SAP documentation for Floorplan Manager to understand the configuration and usage of nodes and data models.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.