How To Fix RY492 - Matrix is negative definite; diff. btw adjusted and non-adjusted is &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 492

• Message text: Matrix is negative definite; diff. btw adjusted and non-adjusted is &1

Generated Include to Extension - V-REINHPOETZ - 02/18/2004
INCLUDE 'LTEXT ZU RY492' OBJECT DOKU ID TX LANGUAGE E

Generated Include to Extension - V-REINHPOETZ - 01/15/2004
INCLUDE 'LTEXT ZU RY492' OBJECT DOKU ID TX LANGUAGE E

ENDIF
ENDIF

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message RY492 - Matrix is negative definite; diff. btw adjusted and non-adjusted is &1 ?

  The SAP error message RY492 indicates that a matrix involved in a calculation is negative definite, which typically means that the matrix does not meet the necessary conditions for certain mathematical operations, particularly in the context of optimization or financial calculations. This can occur in various SAP modules, especially in areas related to financial planning, cost allocation, or resource optimization.
  Cause:
  
  Data Issues: The underlying data used in the calculation may contain inconsistencies or errors, leading to a negative definite matrix.
  Model Specification: The mathematical model or algorithm being used may not be correctly specified, resulting in an invalid matrix.
  Parameter Settings: Incorrect parameter settings or configurations in the SAP system can lead to this issue.
  Infeasibility: The problem being solved may be infeasible, meaning that there are no valid solutions that satisfy all constraints.
  
  Solution:
  
  Data Validation: Check the input data for any inconsistencies or errors. Ensure that all relevant data is accurate and complete.
  Review Model Specifications: Ensure that the mathematical model is correctly specified. This may involve reviewing the equations and constraints used in the calculations.
  Adjust Parameters: Review and adjust any relevant parameters or settings in the SAP system that may affect the calculations.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific transaction or module you are working with.
  Debugging: If you have access to debugging tools, you may want to trace the calculations leading to the error to identify the root cause.
  Seek Expert Help: If the issue persists, consider reaching out to SAP support or consulting with an expert who has experience with the specific module or functionality you are using.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Identify the specific transaction code or module where the error occurs, as this can help narrow down the troubleshooting process.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the RY492 error and implement a solution to resolve it.