How To Fix /SAPAPO/RET_MESSAGES423 - The system displays the class that is linked to the dependency

/SAPAPO/RET_MESSAGES423 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RET_MESSAGES -

• Message number: 423

• Message text: The system displays the class that is linked to the dependency

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RET_MESSAGES423 - The system displays the class that is linked to the dependency ?

  The SAP error message /SAPAPO/RET_MESSAGES423 typically relates to issues in the Advanced Planning and Optimization (APO) module, particularly concerning the handling of dependencies in the planning process. This error indicates that the system is unable to display the class linked to a specific dependency, which can occur due to various reasons.
  Causes:
  
  Missing Class Definition: The class that is supposed to be linked to the dependency may not be defined in the system.
  Authorization Issues: The user may not have the necessary authorizations to view the class or dependency.
  Configuration Errors: There may be misconfigurations in the APO settings or in the class dependency settings.
  Data Inconsistencies: There could be inconsistencies in the master data or transaction data that are causing the system to fail in retrieving the class information.
  Transport Issues: If the system has recently undergone a transport of changes, the class may not have been transported correctly.
  
  Solutions:
  
  Check Class Definition: Verify that the class