How To Fix /SAPAPO/CIF420 - Manual reservation &1 exists in APO without active integration model

/SAPAPO/CIF420 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CIF -

• Message number: 420

• Message text: Manual reservation &1 exists in APO without active integration model

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CIF420 - Manual reservation &1 exists in APO without active integration model ?

  The SAP error message /SAPAPO/CIF420 Manual reservation &1 exists in APO without active integration model typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is a manual reservation in the APO system that is not linked to an active integration model in the Core SAP system (like SAP ERP). This can lead to inconsistencies in data synchronization between the two systems.
  
  Cause:
  
  Manual Reservation: A manual reservation has been created in the APO system for a specific material or resource.
  Inactive Integration Model: The integration model that should synchronize data between the SAP ERP and APO systems is either inactive or not set up correctly for the relevant material or resource.
  Data Synchronization Issues: The absence of an active integration model means that the manual reservation cannot be processed or recognized by the system, leading to this error.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Integration Model:
  
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