How To Fix CO166 - Maintain a number range for order type &

CO166 - Overview

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 166

• Message text: Maintain a number range for order type &

What causes this issue?

The order/network type has no number range.

System Response

You cannot maintain the order/network without a number range.

How to fix this error?

Go into customizing and maintain a number range for the specified
order/network type.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CO166 - Maintain a number range for order type & ?

  The SAP error message CO166, which states "Maintain a number range for order type &," typically occurs when you attempt to create a production order or a process order without having a defined number range for the specified order type. This is a common issue in SAP when the configuration for the order type is incomplete.
  
  Cause:
  The error is caused by the absence of a defined number range for the specific order type you are trying to use. Each order type in SAP requires a number range to ensure that each order can be uniquely identified. If this number range is not set up, the system cannot generate a new order number, leading to the error message.
  
  Solution:
  To resolve this error, you need to maintain the number range for the specific order type. Here are the steps to do this:
  
  
  Access the Number Range Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the