How To Fix /SPE/PO_CHANGE003 - Logical system of APO not maintained in customizing

/SPE/PO_CHANGE003 - Overview

• Message type: E = Error

• Message class: /SPE/PO_CHANGE -

• Message number: 003

• Message text: Logical system of APO not maintained in customizing

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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/SPE/PO_CHANGE003 - Details

• The SAP error message /SPE/PO_CHANGE003 indicates that the logical system for Advanced Planning and Optimization (APO) is not maintained in the customizing settings. This error typically arises when there is an attempt to perform a process that requires a connection to the APO system, but the necessary configuration is missing.
  
  Cause:
  The primary cause of this error is that the logical system for the APO is not defined in the SAP system's customizing settings. This can happen due to:
  
  Missing configuration in the SAP system.
  Incorrect or incomplete setup of the logical system in the SAP landscape.
  Changes in the system landscape that have not been reflected in the configuration.
  
  
  Solution:
  To resolve this error, you need to ensure that the logical system for APO is correctly maintained in the customizing settings. Here are the steps to do this:
  
  
  Access the Customizing Settings:
  
  Go to transaction code SPRO in the SAP GUI.
  Navigate to the relevant section for maintaining logical