How To Fix CN678 - Activity & is not valid for service

CN678 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 678

• Message text: Activity & is not valid for service

What causes this issue?

You have not set the services indicator in the control key for activity
&V1&.
In this case, you cannot enter a service package for the activity.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Check whether you have entered the right control key for the activity.
INCLUDE 'NA_ALLG_VORGEHEN' OBJECT DOKU ID TX
Check whether the control key has been properly defined. If necessary,
set the indicator for services.

Error message extract from SAP system. Copyright SAP SE.

CN678 - Details

• The SAP error message CN678 ("Activity & is not valid for service") typically occurs in the context of project management or service management within SAP, particularly when dealing with activities and services in a project or service order.
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Invalid Activity Assignment: The activity you are trying to assign or use is not valid for the specific service or project. This could be due to the activity not being defined for the service type or project type you are working with.
  
  
  
  Configuration Issues: There may be configuration settings in the system that do not allow the activity to be linked with the service. This could be due to missing or incorrect settings in the project structure or service definitions.
  
  
  Status of the Activity: The activity might be in a status that does not allow it to be used (e.g., it could be marked as