How To Fix FRMLAPI253 - It is not possible to invert a matrix

SAP Error Message - Details

• Message type: E = Error

• Message class: FRMLAPI - RMS-FRM: API Messages for Formula

• Message number: 253

• Message text: It is not possible to invert a matrix

What causes this issue?

INCLUDE RMS_FRM_CALC_API_GEN OBJECT DOKU ID TX
One of the matrixes determined by the system cannot be inverted.

System Response

INCLUDE RMS_GEN_PROC_CANC_BACK OBJECT DOKU ID TX

How to fix this error?

Make sure that quantitative values exist for the output substances of
all formulas that are relevant for explosion.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FRMLAPI253 - It is not possible to invert a matrix ?

  The SAP error message FRMLAPI253, which states "It is not possible to invert a matrix," typically occurs in the context of mathematical operations involving matrices, particularly when attempting to compute the inverse of a matrix that is singular or not square. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Singular Matrix: The matrix you are trying to invert is singular, meaning it does not have an inverse. This can happen if the determinant of the matrix is zero.
  Non-Square Matrix: The matrix must be square (same number of rows and columns) to have an inverse. If you are trying to invert a non-square matrix, this error will occur.
  Numerical Issues: Sometimes, numerical precision issues can lead to a matrix being treated as singular even if it is theoretically invertible.
  Data Input Errors: Incorrect or unexpected data inputs can lead to the formation of a singular or non-square matrix.
  
  Solutions:
  
  
  Check Matrix Properties:
  
  Ensure that the matrix is square. If it is not, you cannot compute its inverse.
  Calculate the determinant of the matrix. If the determinant is zero, the matrix is singular, and you cannot invert it.
  
  
  
  Modify the Matrix:
  
  If the matrix is singular, consider modifying it by adding a small value to the diagonal elements (regularization) to make it invertible.
  If applicable, use a pseudo-inverse instead of a regular inverse. In many applications, the Moore-Penrose pseudo-inverse can be used when the matrix is not invertible.
  
  
  
  Data Validation:
  
  Validate the input data to ensure that it is correct and does not lead to the formation of a singular matrix.
  Check for any missing or erroneous data that could affect the matrix's properties.
  
  
  
  Use Alternative Methods:
  
  If the inversion is part of a larger calculation (like solving a system of equations), consider using numerical methods that do not require direct inversion, such as LU decomposition or QR decomposition.
  
  
  
  Related Information:
  
  Matrix Inversion: In linear algebra, the inverse of a matrix ( A ) is denoted as ( A^{-1} ) and is defined such that ( A \cdot A^{-1} = I ), where ( I ) is the identity matrix.
  Singular Value Decomposition (SVD): This is a method that can be used to analyze matrices and can help in cases where direct inversion is not possible.
  SAP Documentation: Refer to SAP's official documentation or support resources for specific guidance related to the context in which this error occurs, as it may vary depending on the module or application.
  
  If you continue to encounter this error after trying the above solutions, consider reaching out to SAP support or consulting with a technical expert who can analyze the specific context of your issue.