How To Fix /SAPAPO/SDP_TLBGUI012 - Order must not be changed because it is known in OLTP system

/SAPAPO/SDP_TLBGUI012 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SDP_TLBGUI -

• Message number: 012

• Message text: Order must not be changed because it is known in OLTP system

Self-Explanatory Message

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/SAPAPO/SDP_TLBGUI012 - Details

• The SAP error message /SAPAPO/SDP_TLBGUI012 indicates that an order cannot be changed in the Advanced Planning and Optimization (APO) system because it is already known in the Online Transaction Processing (OLTP) system. This typically occurs in scenarios where there is a synchronization between the APO and the OLTP systems, such as SAP ERP.
  
  Cause:
  
  Data Synchronization: The order in question has been updated or changed in the OLTP system (like SAP ERP), and the APO system is not allowed to make changes to it until the synchronization is complete.
  Locking Mechanism: The order may be locked in the OLTP system, preventing any changes from being made in the APO system.
  Order Status: The order might be in a status that does not allow changes, such as being completed or delivered.
  
  
  Solution:
  
  Check Order Status: Verify the status of the order in the OLTP system. If it is in a status that allows changes, you may need