How To Fix WRF_PRC_BAS028 - Table structure with old and new node data is not filled

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_PRC_BAS - General Purchasing, Seasonal Procurement Messages

• Message number: 028

• Message text: Table structure with old and new node data is not filled

Self-Explanatory Message

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• What is the cause and solution for SAP error message WRF_PRC_BAS028 - Table structure with old and new node data is not filled ?

  The SAP error message:
  WRF_PRC_BAS028: Table structure with old and new node data is not filled
  
  Cause:
  This error typically occurs in the context of Workflow Runtime Framework (WRF) or when working with Business Object Processing in SAP workflows or custom enhancements. The message indicates that the internal table structure, which is supposed to hold the old and new data of a node (usually in change documents or workflow container elements), has not been properly filled or initialized before being processed.
  In other words, the system expects a table structure containing both old and new values of a node (for example, before and after a change), but this structure is empty or not populated. This can happen due to:
  
  Missing or incorrect data assignment in the workflow container or method parameters.
  Incorrect implementation of change document or event handling logic.
  Custom code or enhancement that does not fill the required data structures properly.
  Workflow container elements or method parameters not bound correctly.
  
  
  Solution:
  To resolve this error, you should:
  
  
  Check the Workflow Container or Method Parameters:
  
  Verify that the workflow container elements or method parameters that are supposed to hold the old and new node data are correctly filled before the step that triggers this error.
  Ensure that the data structures (tables or internal tables) are properly populated with the expected data.
  
  
  
  Review Custom Code or Enhancements:
  
  If you have custom code (e.g., in event handlers, BAdIs, or user-exits) that manipulates the old/new node data, check that the code correctly fills the required tables.
  Make sure that the data types and structures match the expected format.
  
  
  
  Check Change Document or Event Handling Logic:
  
  If the error occurs during change document processing or event handling, verify that the change document objects are correctly configured and that the old/new data is captured properly.
  
  
  
  Debug the Workflow or Program:
  
  Use the debugger to trace where the table structure is supposed to be filled.
  Identify why it remains empty or uninitialized.
  
  
  
  SAP Notes and Documentation:
  
  Search for relevant SAP Notes related to WRF_PRC_BAS028 for any known issues or patches.
  Review SAP documentation on workflow container elements and change document processing.
  
  
  
  
  Related Information:
  
  This error is related to SAP Workflow and Business Object Repository (BOR) processing.
  It often appears when workflows or BOR methods expect change data (old/new values) but do not receive it.
  The message is part of the Workflow Runtime Framework (WRF) error messages.
  Typical SAP transaction codes to check workflow container and BOR objects: SWDD (Workflow Builder), SWO1 (Business Object Builder).
  Debugging tools: Use SWI1 (Workflow Log), SWI2_FREQ (Workflow Runtime Analysis), and ABAP debugger.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Table structure for old/new node data is empty or not filled before processing.
  
  
  Solution
  Ensure workflow container or method parameters are correctly populated with old/new data. Check custom code and bindings. Debug workflow steps.
  
  
  Related Info
  Workflow Runtime Framework, BOR, change document processing, SAP Notes, debugging tools.
  
  
  
  
  If you provide more context (e.g., where exactly the error occurs, custom code snippets, workflow steps), I can help with a more specific solution.