How To Fix CN866 - Control key & is only for service

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 866

• Message text: Control key & is only for service

What causes this issue?

You are maintaining the control key of an externally processed activity.

System Response

The control key you entered is only valid for service activities.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Select a control key that is not valid for services.
To create a service activity, you must create a new activity.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN866 - Control key & is only for service ?

  The SAP error message CN866 indicates that the control key specified in a transaction is designated for service-related activities only. This means that the control key you are trying to use is not appropriate for the type of operation you are attempting to perform, such as a production order or a different type of activity that is not service-related.
  Cause:
  The error occurs when:
  
  You are trying to create or process a production order, maintenance order, or another type of order that is not compatible with the specified control key.
  The control key is configured in the system to be used exclusively for service-related tasks, such as service orders or service confirmations.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Control Key: Verify the control key you are using. You can do this by navigating to the relevant configuration settings in SAP (Transaction code OPL8 for control keys) to see the details of the control key.
  
  
  Use the Correct Control Key: If the control key is indeed meant for service-related activities, you will need to select a different control key that is appropriate for the type of order you are trying to create or process. 
  
  
  Modify the Order Type: If you are working with an order type that should allow for the activities you are trying to perform, ensure that the order type is correctly configured to use the appropriate control key.
  
  
  Consult Documentation: Review the SAP documentation or your organization's internal guidelines regarding control keys and their intended use to ensure compliance with best practices.
  
  
  Contact SAP Support: If you are unsure about which control key to use or if you believe there is a configuration issue, consider reaching out to your SAP support team or consulting with an SAP expert.
  
  
  Related Information:
  
  Control Keys: Control keys in SAP are used to define the type of operations that can be performed on an order. They determine how the system processes the order, including whether it is for production, maintenance, or service.
  Order Types: Different order types in SAP (e.g., production orders, maintenance orders, service orders) have specific requirements and configurations, including the control keys that can be used with them.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  OPL8: To view and manage control keys.
  CO01: To create production orders.
  IW31: To create maintenance orders.
  CR01: To create service orders.
  
  
  
  By following these steps and understanding the context of the error, you should be able to resolve the CN866 error effectively.