How To Fix /SAPAPO/PPM_UPGRADE009 - Error occurred reading the external description of the plans in PPMs

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PPM_UPGRADE -

• Message number: 009

• Message text: Error occurred reading the external description of the plans in PPMs

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/PPM_UPGRADE009 - Error occurred reading the external description of the plans in PPMs ?

  The SAP error message /SAPAPO/PPM_UPGRADE009 typically indicates an issue related to the reading of external descriptions of plans in the Production Planning and Detailed Scheduling (PP/DS) module of SAP Advanced Planning and Optimization (APO). This error often arises during system upgrades or data migrations when the system is unable to access or interpret the external descriptions associated with planning objects.
  
  Cause:
  
  Data Inconsistency: There may be inconsistencies in the data related to the planning objects, such as missing or corrupted entries in the database.
  Upgrade Issues: If the error occurs during an upgrade, it could be due to changes in the data model or structure that are not compatible with the existing data.
  Authorization Issues: The user executing the transaction may not have the necessary authorizations to read the external descriptions.
  
  Configuration Issues: Incorrect configuration settings in the APO system can lead to this error.
  
  
  Solution:
  
  
  Check Data Consistency:
  
  Use transaction codes like /SAPAPO/PPM to check the planning