How To Fix /SAPAPO/SNP826 - This order cannot be changed because it already exists in the OLTP system

/SAPAPO/SNP826 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SNP -

• Message number: 826

• Message text: This order cannot be changed because it already exists in the OLTP system

Self-Explanatory Message

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/SAPAPO/SNP826 - Details

• The SAP error message /SAPAPO/SNP826 indicates that an order cannot be changed in the Advanced Planning and Optimization (APO) system because it already exists in the Online Transaction Processing (OLTP) system. This typically occurs when there is a synchronization issue between the APO and the OLTP systems, often due to the order being created or modified in the OLTP system after it was initially transferred to APO.
  
  Cause:
  
  Order Already Exists in OLTP: The order you are trying to change in APO has already been created or modified in the OLTP system (like SAP ERP).
  Data Synchronization Issues: There may be a delay or failure in the data transfer between the OLTP and APO systems, leading to discrepancies.
  Locking Mechanism: The order might be locked in the OLTP system, preventing changes from being made in APO.
  
  
  Solution:
  
  Check Order Status: Verify the status of the order in the OLTP system. If it has been changed or