How To Fix VR621 - Specify fields for line structure &

VR621 - Overview

• Message type: E = Error

• Message class: VR - Output for SD Reporting

• Message number: 621

• Message text: Specify fields for line structure &

Self-Explanatory Message

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• What is the cause and solution for SAP error message VR621 - Specify fields for line structure & ?

  SAP Error Message:
  VR621 - Specify fields for line structure &
  
  
  Cause:
  This error occurs when you are working with a document or configuration that requires you to define or specify the fields for a line structure, but these fields have not been properly maintained or specified. The system expects you to assign or define the fields that make up the line item structure, and since this is missing or incomplete, it throws the error.
  Typically, this happens in scenarios involving:
  
  Customizing or defining document line item structures in Logistics (e.g., SD billing documents, MM invoice verification, or FI documents).
  When setting up or modifying the line item structure in the IMG (Implementation Guide).
  When working with user exits, BAdIs, or custom programs that require line structure field definitions.
  
  
  Where it commonly appears:
  
  In customizing under Financial Accounting (FI) or Sales and Distribution (SD) when defining document structures.
  During configuration of line item display or line item processing.
  In billing document