How To Fix /SAPAPO/MATRIX004 - Matrix multiplication not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MATRIX -

• Message number: 004

• Message text: Matrix multiplication not possible

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MATRIX004 - Matrix multiplication not possible ?

  The SAP error message /SAPAPO/MATRIX004 Matrix multiplication not possible typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with matrix operations, particularly during calculations that involve matrix multiplication. This error can arise due to various reasons, including incompatible matrix dimensions or data types.
  Causes:
  
  
  Incompatible Matrix Dimensions: The most common cause is that the matrices involved in the multiplication do not have compatible dimensions. For matrix multiplication to be valid, the number of columns in the first matrix must equal the number of rows in the second matrix.
  
  
  Empty or Null Matrices: If one of the matrices is empty or not properly initialized, the multiplication cannot be performed.
  
  
  Data Type Issues: The matrices may contain data types that are not compatible for multiplication (e.g., trying to multiply integer matrices with floating-point matrices without proper conversion).
  
  
  Incorrect Configuration: There may be issues with the configuration of the APO