How To Fix /SAPAPO/OM_ERROR2168 - Not possible to change the type of an existing matrix

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 168

• Message text: Not possible to change the type of an existing matrix

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2168 - Not possible to change the type of an existing matrix ?

  The SAP error message /SAPAPO/OM_ERROR2168 indicates that there is an issue with changing the type of an existing matrix in the SAP Advanced Planning and Optimization (APO) module. This error typically arises when you attempt to modify the characteristics of a matrix that has already been defined in the system.
  Cause:
  The error can occur due to several reasons:
  
  Existing Data: The matrix you are trying to change already has existing data or configurations that are incompatible with the new type you are trying to assign.
  Matrix Type Restrictions: Certain matrix types may have specific restrictions or dependencies that prevent them from being changed once they are created.
  System Configuration: There may be system settings or configurations that restrict changes to matrix types after they have been established.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Existing Data: Review the existing data associated with the matrix. If there are records or configurations that depend on the current matrix type, you may need to delete or modify them before changing the type.
  
  
  Create a New Matrix: If changing the type of the existing matrix is not feasible, consider creating a new matrix with the desired type. You can then transfer any necessary data or configurations from the old matrix to the new one.
  
  
  Consult Documentation: Refer to the SAP documentation or help resources for specific guidelines on matrix types and their restrictions. This can provide insights into what changes are permissible.
  
  
  System Configuration Review: If you suspect that system settings are causing the issue, consult with your SAP Basis or system administrator to review the configuration settings related to matrix types.
  
  
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. They may provide additional insights or solutions based on your specific system configuration and version.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to matrix management in APO, such as /SAPAPO/OM for matrix operations.
  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 address the error and proceed with your matrix configuration in SAP APO.