How To Fix /SAPAPO/MATRIX007 - Maximum number of iterations has been reached; SVD was not found

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MATRIX -

• Message number: 007

• Message text: Maximum number of iterations has been reached; SVD was not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MATRIX007 - Maximum number of iterations has been reached; SVD was not found ?

  The SAP error message /SAPAPO/MATRIX007 Maximum number of iterations has been reached; SVD was not found typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system is unable to compute the Singular Value Decomposition (SVD) of a matrix within the allowed number of iterations. This can happen during various planning processes, such as demand planning or supply network planning.
  Causes:
  
  Matrix Characteristics: The matrix being processed may be ill-conditioned or singular, which makes it difficult for the algorithm to converge to a solution.
  Data Quality Issues: Missing or inconsistent data can lead to problems in matrix calculations.
  Configuration Settings: The maximum number of iterations set in the system may be too low for the complexity of the data being processed.
  Resource Limitations: Insufficient system resources (memory, CPU) can hinder the computation process.
  Algorithm Limitations: The specific algorithm being used may not be suitable for the data characteristics.
  
  Solutions:
  
  Check Data Quality: Ensure that the data being used for planning is complete and consistent. Look for missing values or outliers that could affect the matrix calculations.
  Increase Maximum Iterations: If possible, increase the maximum number of iterations allowed for the SVD calculation in the configuration settings. This can sometimes help the algorithm converge.
  Matrix Preprocessing: Consider preprocessing the matrix to improve its condition. This might involve scaling or transforming the data.
  Review Configuration: Check the configuration settings in the APO system to ensure they are appropriate for the data and the planning scenario.
  System Resources: Monitor system resources during the planning run. If resources are constrained, consider optimizing the system or running the process during off-peak hours.
  Use Alternative Algorithms: If the problem persists, consider using alternative algorithms or methods for the specific planning task that may be more robust to the data characteristics.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common problems.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review the SAP APO documentation for best practices in data preparation and configuration settings that can help avoid such errors.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further investigation and assistance.