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

SAP Error Message - Details

• 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.

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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 linked to the dependency is correctly defined in the system. You can do this by navigating to the class management transaction (e.g., CL02) and checking if the class exists.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the class and dependencies. This can be checked in the user roles and profiles.
  Validate Configuration: Review the configuration settings in the APO module to ensure that all dependencies and classes are set up correctly.
  Data Consistency Check: Run consistency checks on the master data and transaction data to identify any discrepancies that may be causing the issue.
  Transport Logs: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported correctly.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the official SAP documentation for APO, particularly sections related to class dependencies and configuration.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.