How To Fix KO839 - Description of order type: character '_' is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 839

• Message text: Description of order type: character '_' is not allowed

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 KO839 - Description of order type: character '_' is not allowed ?

  The SAP error message KO839, which states "Description of order type: character '' is not allowed," typically occurs when there is an issue with the naming convention of an order type in the SAP system. This error indicates that the order type description contains an invalid character, specifically the underscore ('').
  Cause:
  
  Invalid Character: The order type description is likely to contain an underscore ('_'), which is not permitted in the naming conventions for order types in SAP.
  Configuration Error: The order type may have been incorrectly configured in the system, leading to the inclusion of invalid characters.
  Data Entry Error: During the creation or modification of the order type, an invalid character may have been inadvertently entered.
  
  Solution:
  
  
  Check Order Type Description:
  
  Navigate to the configuration settings for the order type in SAP.
  Go to the transaction code SPRO and follow the path: Production -> Shop Floor Control -> Order -> Define Order Types.
  Locate the specific order type that is causing the error and check its description.
  Remove any invalid characters, including underscores, from the description.
  
  
  
  Modify the Description:
  
  Change the description to a valid format that adheres to SAP's naming conventions. Use only alphanumeric characters and avoid special characters.
  
  
  
  Save Changes:
  
  After making the necessary changes, save the configuration and test the order type again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to SAP's official documentation for guidelines on naming conventions and valid characters for order types.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO01 (Create Production Order) and CO02 (Change Production Order) to test the order type after making changes.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to order types in the SAP system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation.