How To Fix RY493 - Difference between adjusted and non-adjusted matrix is &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 493

• Message text: Difference between adjusted and non-adjusted matrix is &1

What causes this issue?

The maximum element-based difference between the correlation matrix and
the adjusted matrix is equal to &1.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Note that if the difference is too large it can lead to errors when
calculating the present value. If you do not want to use the adjusted
matrix, do not save it. If you save the adjusted matrix, the original
correlation matrix is overwritten.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RY493 - Difference between adjusted and non-adjusted matrix is &1 ?

  The SAP error message RY493, which states "Difference between adjusted and non-adjusted matrix is &1," typically occurs in the context of SAP's Profitability Analysis (CO-PA) module. This error indicates that there is a discrepancy between the adjusted and non-adjusted matrices in the profitability analysis, which can lead to inconsistencies in reporting and analysis.
  Cause:
  
  
  Data Inconsistency: The most common cause of this error is that the data in the adjusted matrix does not match the data in the non-adjusted matrix. This can happen due to incorrect or incomplete data entries, or if adjustments have been made that have not been properly reflected in the non-adjusted matrix.
  
  
  Configuration Issues: There may be configuration issues in the CO-PA settings that lead to discrepancies between the two matrices.
  
  
  Missing or Incorrect Settings: If certain settings related to the profitability analysis are not correctly configured, it can lead to differences in the matrices.
  
  
  Timing Issues: If adjustments are made after the non-adjusted matrix has been generated, this can lead to differences.
  
  
  Solution:
  
  
  Data Review: Review the data entries in both the adjusted and non-adjusted matrices. Look for any discrepancies or missing entries that could be causing the difference.
  
  
  Recalculate the Matrices: Sometimes, recalculating the matrices can resolve the issue. This can be done by running the relevant CO-PA reports or transactions that generate these matrices.
  
  
  Check Configuration: Verify the configuration settings in the CO-PA module. Ensure that all settings related to the profitability analysis are correctly configured.
  
  
  Adjustments Review: If adjustments have been made, ensure that they are correctly reflected in both matrices. If necessary, re-enter or correct the adjustments.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP you are using. There may be specific patches or updates that address this issue.
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. They may provide insights or solutions specific to your system configuration.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in CO-PA, such as KE30 (Report for CO-PA) or KE24 (Display CO-PA Document), which can help in analyzing the data.
  SAP Notes: Check for any SAP Notes related to error RY493, as they may provide additional context or solutions.
  User 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 RY493 error and implement a solution to resolve it.