How To Fix ORF1009 - Inversion with external model is not supported

ORF1009 - Overview

• Message type: E = Error

• Message class: ORF1 - Spare Parts Stock Calculation

• Message number: 009

• Message text: Inversion with external model is not supported

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 ORF1009 - Inversion with external model is not supported ?

  The SAP error message ORF1009, which states "Inversion with external model is not supported," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or Integrated Business Planning (IBP) modules. This error indicates that there is an attempt to perform an inversion operation using an external model, which is not supported by the system.
  
  Cause:
  
  Inversion Operation: The error arises when the system tries to perform an inversion (a mathematical operation that reverses the effect of a previous operation) on a model that is defined externally. Inversion is often used in planning scenarios to adjust or correct forecasts.
  External Model Limitation: The external model may be a third-party or custom model that does not support inversion operations as defined by SAP's internal logic.
  
  Configuration Issues: There may be configuration settings in the planning area or model that are not compatible with inversion operations.
  
  
  Solution:
  
  Review Model Configuration: Check the configuration of the external model