How To Fix /SAPAPO/CDPSMATRIX020 - Setup matrix &1 cannot be created. Setup group rule &2: invalid charact.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CDPSMATRIX -

• Message number: 020

• Message text: Setup matrix &1 cannot be created. Setup group rule &2: invalid charact.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CDPSMATRIX020 - Setup matrix &1 cannot be created. Setup group rule &2: invalid charact. ?

  The SAP error message /SAPAPO/CDPSMATRIX020 indicates that there is an issue with the setup matrix in the Advanced Planning and Optimization (APO) module, specifically related to the setup group rule. The error message states that the setup matrix cannot be created due to the presence of invalid characters in the setup group rule.
  Cause:
  
  Invalid Characters: The setup group rule (&2) contains characters that are not allowed. This could be special characters, spaces, or any other non-alphanumeric characters that the system does not recognize.
  Configuration Issues: There may be issues in the configuration of the setup group or the setup matrix that lead to this error.
  Data Entry Errors: During the creation or modification of the setup group rule, invalid data may have been entered.
  
  Solution:
  
  Check Setup Group Rule: Review the setup group rule (&2) for any invalid characters. Ensure that it only contains valid alphanumeric characters and follows the naming conventions set by your organization or SAP.
  Modify the Rule: If invalid characters are found, modify the setup group rule to remove or replace them with valid characters.
  Review Configuration: Check the configuration settings for the setup matrix and ensure that all related settings are correctly defined.
  Test Changes: After making the necessary changes, attempt to create the setup matrix again to see if the error persists.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on naming conventions and valid characters for setup group rules.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO that may help in troubleshooting or configuring setup groups and matrices (e.g., /SAPAPO/CDPSMAT for setup matrix maintenance).
  User Authorization: Ensure that you have the necessary authorizations to create or modify setup matrices and setup group rules.
  Testing Environment: If possible, replicate the issue in a testing environment to avoid impacting production data while troubleshooting.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.