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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN678 - Activity & is not valid for service ?

  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 inactive or completed).
  
  
  Master Data Issues: There could be issues with the master data related to the activity or service, such as missing or incorrect entries in the relevant tables.
  
  
  Solution:
  To resolve the CN678 error, you can take the following steps:
  
  
  Check Activity Validity: Verify that the activity you are trying to use is valid for the service. You can do this by checking the configuration settings for the service and ensuring that the activity is included.
  
  
  Review Configuration: Go to the configuration settings in SAP (transaction SPRO) and check the settings for project management or service management. Ensure that the activity is correctly defined and linked to the appropriate service.
  
  
  Check Activity Status: Ensure that the activity is in an appropriate status for use. If it is inactive or completed, you may need to reactivate it or create a new activity.
  
  
  Master Data Review: Check the master data for both the activity and the service. Ensure that all necessary fields are filled out correctly and that there are no inconsistencies.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error message and related configuration settings.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  Transaction Codes: You may find it useful to use transaction codes like CJ20N (Project Builder) or CN41 (Project Structure) to review project activities and their assignments.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: SAP Community forums can be a valuable resource for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify the cause of the CN678 error and implement a suitable solution.