How To Fix MAT_MESSAGES101 - Action Code should be either 01 or 02

SAP Error Message - Details

• Message type: E = Error

• Message class: MAT_MESSAGES -

• Message number: 101

• Message text: Action Code should be either 01 or 02

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MAT_MESSAGES101 - Action Code should be either 01 or 02 ?

  The SAP error message MAT_MESSAGES101 with the description "Action Code should be either 01 or 02" typically occurs in the context of material master data processing or during the execution of certain transactions related to materials. This error indicates that the action code provided in the transaction or process is not valid, as it must be either "01" or "02".
  Cause:
  
  
  Invalid Action Code: The action code you are trying to use is not recognized by the system. The valid action codes are:
  
  01: Usually indicates a creation action.
  02: Usually indicates an update action.
  
  
  
  Data Entry Error: There may have been a typographical error when entering the action code.
  
  
  Configuration Issues: The system may not be configured correctly to recognize the action codes, or there may be a custom implementation that is not functioning as expected.
  
  
  Solution:
  
  
  Check Action Code: Verify that the action code you are using is indeed "01" or "02". If you are using a different code, change it to one of the valid options.
  
  
  Review Input Data: Ensure that all input data is correct and that there are no typographical errors in the action code field.
  
  
  Consult Documentation: If you are unsure about the action codes, refer to the relevant SAP documentation or user manuals that pertain to the specific transaction or process you are working with.
  
  
  Check Custom Code: If your organization has custom developments or enhancements, check with your technical team to ensure that the custom code is handling action codes correctly.
  
  
  Contact Support: If the issue persists after verifying the action code and input data, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transactions related to material management, such as MM01 (Create Material), MM02 (Change Material), or others.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  User Roles and Authorizations: Ensure that the user executing the transaction has the necessary authorizations to perform the action associated with the action code.
  
  By following these steps, you should be able to resolve the error and proceed with your material master data processing.