How To Fix /SAPAPO/DMRES821 - Resource &1: Setup matrix &2 doesn't exist (/SAPAPO/RES_HEAD-MATRIX_ID)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 821

• Message text: Resource &1: Setup matrix &2 doesn't exist (/SAPAPO/RES_HEAD-MATRIX_ID)

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES821 - Resource &1: Setup matrix &2 doesn't exist (/SAPAPO/RES_HEAD-MATRIX_ID) ?

  The SAP error message /SAPAPO/DMRES821 indicates that a setup matrix for a specific resource does not exist in the system. This error typically occurs in the context of Advanced Planning and Optimization (APO) when trying to perform operations that require a setup matrix for a resource.
  Cause:
  
  
  Missing Setup Matrix: The setup matrix specified for the resource does not exist in the system. This could be due to:
  
  The setup matrix was never created.
  The setup matrix was deleted or not properly configured.
  There is a typo or incorrect reference to the setup matrix in the configuration.
  
  
  
  Incorrect Resource Configuration: The resource may not be correctly configured to use the specified setup matrix.
  
  
  Transport Issues: If the setup matrix was created in a different system (e.g., development) and not transported correctly to the production system, it may not exist in the target environment.
  
  
  Solution:
  
  
  Create or Verify Setup Matrix:
  
  Go to the transaction code /SAPAPO/RES01 (Resource Maintenance) and check if the resource in question has an associated setup matrix.
  If it does not exist, you will need to create a new setup matrix using transaction /SAPAPO/RES02 (Setup Matrix Maintenance).
  
  
  
  Check Resource Configuration:
  
  Ensure that the resource is correctly configured to use the setup matrix. This can be done in the resource master data.
  
  
  
  Transport Check:
  
  If the setup matrix was created in another system, ensure that it has been transported correctly to the current system. You may need to check the transport logs or consult with your Basis team.
  
  
  
  Review Documentation:
  
  Review any relevant documentation or configuration guides to ensure that the setup matrix is being used correctly.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /SAPAPO/RES01: Resource Maintenance
  /SAPAPO/RES02: Setup Matrix Maintenance
  /SAPAPO/RES03: Resource Setup Matrix Overview
  
  
  
  SAP Help Documentation: Refer to the SAP Help Portal for detailed information on resource management and setup matrices in SAP APO.
  
  
  Support: If the issue persists after following the above steps, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  
  By following these steps, you should be able to resolve the error and ensure that the setup matrix is correctly configured for the resource in question.