How To Fix /SAPAPO/SDP_UPLOAD018 - A cell will be overwritten despite fixing; fixing will be removed

/SAPAPO/SDP_UPLOAD018 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SDP_UPLOAD -

• Message number: 018

• Message text: A cell will be overwritten despite fixing; fixing will be removed

Self-Explanatory Message

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/SAPAPO/SDP_UPLOAD018 - Details

• The SAP error message /SAPAPO/SDP_UPLOAD018 typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when working with the Supply Network Planning (SNP) or Demand Planning (DP) modules. This error indicates that a cell in a planning book is being overwritten despite having been fixed, and that the fixing will be removed.
  
  Cause:
  
  Data Overwrite: The error usually arises when there is an attempt to upload or change data in a planning book cell that has been marked as "fixed" (i.e., it should not be changed) but the new data being uploaded conflicts with this fixed status.
  Planning Book Configuration: The configuration of the planning book may not be set up correctly, leading to conflicts between fixed values and incoming data.
  Data Source Issues: The data being uploaded may come from a source that does not respect the fixed status of the cells in the planning book.
  
  
  Solution:
  
  Review Fixed Cells: Check the