How To Fix KO166 - Order type & is not assigned to any number range

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 166

• Message text: Order type & is not assigned to any number range

What causes this issue?

To be able to find a valid number, each order must be assigned to a
number range or a number range group.

System Response

Order type &v1& is not assigned to a number range.

How to fix this error?

Assign order type &v1& to a number range.
<DS:SIMG.SIMG_CFMENUORKAKOT2>Define order types</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO166 - Order type & is not assigned to any number range ?

  The SAP error message KO166 indicates that the order type you are trying to use is not assigned to any number range. This typically occurs when you attempt to create a production order, process order, or any other type of order in SAP that requires a unique identifier, but the system cannot find a valid number range for the specified order type.
  Cause:
  
  Missing Number Range Assignment: The order type has not been assigned to a number range in the configuration settings.
  Incorrect Configuration: The number range may have been deleted or incorrectly configured.
  Authorization Issues: Sometimes, users may not have the necessary authorizations to access the number range configuration.
  
  Solution:
  To resolve the KO166 error, you need to ensure that the order type is correctly assigned to a number range. Here are the steps to do this:
  
  
  Access the Number Range Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the following path: SPRO -> SAP Reference IMG -> Controlling -> Internal Orders -> Order Types -> Define Order Types.
  
  
  
  Check Order Type Configuration:
  
  Find the order type that is causing the error.
  Ensure that it is assigned to a valid number range. If it is not, you will need to assign it.
  
  
  
  Define Number Ranges:
  
  If necessary, go to the number range configuration: SPRO -> SAP Reference IMG -> Controlling -> Internal Orders -> Order Types -> Define Number Ranges for Order Types.
  Create a new number range or modify an existing one to ensure it meets your requirements.
  
  
  
  Assign Number Range to Order Type:
  
  After defining the number range, go back to the order type configuration and assign the newly created or modified number range to the order type.
  
  
  
  Save Changes: Make sure to save all changes and exit the configuration.
  
  
  Test the Changes: Try to create the order again to see if the error persists.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like OMH1 (for number range maintenance) and KOT2 (for order type configuration) to access the relevant settings directly.
  Authorization: Ensure that you have the necessary authorizations to make changes in the configuration settings.
  Transport Requests: If you are working in a development environment, remember to transport your changes to the production environment after testing.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation.