How To Fix ME138 - Confirmation category & not defined (please check your input)

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 138

• Message text: Confirmation category & not defined (please check your input)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ME138 - Confirmation category & not defined (please check your input) ?

  The SAP error message ME138 ("Confirmation category & not defined (please check your input)") typically occurs in the context of production order confirmations or goods movements in SAP. This error indicates that the system is unable to find a valid confirmation category for the operation you are trying to perform. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Missing Configuration: The confirmation category you are trying to use is not defined in the system. This could be due to a missing entry in the configuration settings for confirmation categories.
  Incorrect Input: The confirmation category may have been entered incorrectly, either due to a typo or because it does not exist in the system.
  Authorization Issues: The user may not have the necessary authorizations to access or use the specified confirmation category.
  System Settings: The settings for the specific order type or production process may not be correctly configured to allow for the specified confirmation category.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings in SAP (Transaction SPRO).
  Navigate to Production ? Basic Data ? Confirmation ? Define Confirmation Categories.
  Ensure that the confirmation category you are trying to use is defined and active.
  
  
  
  Verify Input:
  
  Double-check the input for the confirmation category in the transaction you are using. Make sure there are no typos or incorrect entries.
  
  
  
  User Authorizations:
  
  Check if the user has the necessary authorizations to perform the confirmation. This can be done by reviewing the user roles and authorizations in the system.
  
  
  
  Order Type Settings:
  
  Ensure that the order type you are working with is configured to allow the use of the confirmation category. This can be checked in the order type settings.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration or the correct confirmation category to use, consult the SAP documentation or reach out to your SAP support team for guidance.
  
  
  
  Related Information:
  
  Transaction Codes: You may encounter this error while using transaction codes such as CO11N (Single Screen Entry of Confirmations) or CO15 (Enter Production Order Confirmation).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.
  
  By following these steps, you should be able to identify and resolve the ME138 error in SAP.