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

WRF_PRC_BAS028 - Overview

• 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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Smart SAP Assistant

• 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