How To Fix /SAPAPO/RSP012 - Order &1 &2 &3 has not been checked using Reservation Planning

/SAPAPO/RSP012 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RSP -

• Message number: 012

• Message text: Order &1 &2 &3 has not been checked using Reservation Planning

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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/SAPAPO/RSP012 - Details

• The SAP error message /SAPAPO/RSP012 Order &1 &2 &3 has not been checked using Reservation Planning typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue related to the reservation planning process for production orders or purchase orders. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Missing Reservation Check: The order in question has not undergone the reservation planning check, which is necessary for ensuring that the required materials are available for the order.
  
  Configuration Issues: There may be configuration settings in the APO system that prevent the order from being processed correctly.
  Data Inconsistencies: There could be inconsistencies in the master data or transaction data that prevent the system from performing the necessary checks.
  Planning Version: The order might be linked to a planning version that is not active or not set up correctly for reservation planning.
  
  
  Solution:
  
  
  Run Reservation Planning: 
  
  Navigate to the relevant