How To Fix TPM_THXE1802 - No. items in MDS and no. points in linear regression do not match

SAP Error Message - Details

• Message type: E = Error

• Message class: TPM_THXE1 - message class for effectiveness test

• Message number: 802

• Message text: No. items in MDS and no. points in linear regression do not match

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TPM_THXE1802 - No. items in MDS and no. points in linear regression do not match ?

  The SAP error message TPM_THXE1802 indicates a mismatch between the number of items in the Master Data Set (MDS) and the number of points used in the linear regression analysis. This error typically occurs in the context of SAP's demand planning or forecasting functionalities, particularly when using the SAP Advanced Planning and Optimization (APO) module or SAP Integrated Business Planning (IBP).
  Cause:
  
  Data Mismatch: The primary cause of this error is that the data set used for the linear regression analysis does not have a consistent number of data points. For example, if the MDS has 10 items, but the linear regression model is trying to use only 8 data points, this discrepancy will trigger the error.
  Incomplete Data: There may be missing or incomplete data in the time series that is being analyzed, leading to fewer data points being available for the regression analysis.
  Configuration Issues: Incorrect configuration settings in the forecasting model or the data source can also lead to this error.
  
  Solution:
  
  Check Data Consistency: Ensure that the Master Data Set (MDS) and the data points used for the regression analysis are consistent. Verify that the number of items in the MDS matches the number of data points being analyzed.
  Review Time Series Data: Inspect the time series data for completeness. Look for any missing values or gaps in the data that could lead to fewer data points being available for the regression.
  Adjust Forecasting Model: If necessary, adjust the forecasting model settings to ensure that it is configured correctly to handle the data being used.
  Reprocess Data: If changes are made to the data or configuration, reprocess the data to ensure that the linear regression analysis is performed with the updated information.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the forecasting model being used, as there may be additional settings or considerations that need to be addressed.
  
  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 have found.
  Training and Documentation: Review training materials or documentation related to SAP APO or IBP forecasting to better understand how to set up and manage data for linear regression analysis.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.