How To Fix 0H450 - Assign an item to each output field

0H450 - Overview

• Message type: E = Error

• Message class: 0H - Hierarchy module

• Message number: 450

• Message text: Assign an item to each output field

Self-Explanatory Message

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0H450 - Details

• The SAP error message 0H450: "Assign an item to each output field" typically occurs in the context of data extraction or reporting, particularly when using SAP BW (Business Warehouse) or SAP BI (Business Intelligence). This error indicates that there is a mismatch between the output fields defined in a query or data extraction process and the items (or data fields) that are supposed to populate those output fields.
  
  Cause:
  
  
  Missing Assignments: The error usually arises when there are output fields in a query or report that do not have corresponding data items assigned to them. This can happen if:
  
  The data source has been changed or updated, and the mappings are no longer valid.
  Fields have been removed or renamed in the underlying data model.
  The query or report was not properly configured to include all necessary data items.
  
  
  
  Incorrect Query Design: If the query is designed incorrectly, such as having more output fields than available