How To Fix /SAPAPO/OUTLDET159 - Error when running MLR calculation; price changes not detected

/SAPAPO/OUTLDET159 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OUTLDET -

• Message number: 159

• Message text: Error when running MLR calculation; price changes not detected

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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/SAPAPO/OUTLDET159 - Details

• The SAP error message /SAPAPO/OUTLDET159 typically occurs during the Multi-Level Regression (MLR) calculation in SAP Advanced Planning and Optimization (APO). This error indicates that the system did not detect any price changes that could be used in the regression analysis. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  
  No Price Changes in Data: The most common cause is that there are no price changes in the historical data being analyzed. If the prices have remained constant over the period being evaluated, the MLR calculation will not find any relevant data to process.
  
  
  Incorrect Data Selection: The selection criteria for the data might be too restrictive, leading to a situation where no relevant data is available for the MLR calculation.
  
  
  Data Quality Issues: There may be issues with the data quality, such as missing values or incorrect data formats, which can prevent the system from recognizing price changes.
  
  
  Configuration