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

SAP Error Message - Details

• 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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OUTLDET159 - Error when running MLR calculation; price changes not detected ?

  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 Issues: There might be configuration settings in the APO system that are not set up correctly, affecting how price changes are detected.
  
  
  Solutions:
  
  
  Review Historical Data: Check the historical data for the product or product group being analyzed. Ensure that there are indeed price changes recorded in the relevant time frame.
  
  
  Adjust Selection Criteria: Modify the selection criteria for the MLR calculation to ensure that it encompasses a broader range of data, which may include periods with price changes.
  
  
  Data Cleansing: Perform data cleansing to address any quality issues. Ensure that all relevant data is complete and correctly formatted.
  
  
  Check Configuration: Review the configuration settings in the APO system related to MLR calculations. Ensure that all necessary settings for price change detection are correctly configured.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to MLR calculations and error messages for additional insights and troubleshooting steps.
  
  
  Run a Test Calculation: If possible, run a test calculation with a smaller dataset that you know contains price changes to verify that the MLR process works correctly.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Training and Documentation: Review training materials or documentation related to SAP APO and MLR calculations to ensure that you are following best practices.
  
  By addressing the potential causes and implementing the suggested solutions, you should be able to resolve the /SAPAPO/OUTLDET159 error and successfully run the MLR calculation.