How To Fix CN663 - No valid activity selected

CN663 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 663

• Message text: No valid activity selected

What causes this issue?

No valid activity has been selected for the function you want to
carry out.

System Response

INCLUDE 'NA_ALLG_NOFUNKTION' OBJECT DOKU ID TX

How to fix this error?

Select a valid activity or select a different function.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN663 - No valid activity selected ?

  The SAP error message CN663: No valid activity selected typically occurs in the context of project management or network planning within the SAP system, particularly when working with project structures, activities, or networks in the Project System (PS) module. This error indicates that the system could not find a valid activity for the operation you are trying to perform.
  Causes:
  
  No Activities Defined: The project or network you are working with may not have any activities defined or assigned.
  Incorrect Selection: You may have selected an invalid or non-existent activity, or the activity may not be relevant for the operation you are trying to perform.
  Status Issues: The activity may be in a status that does not allow it to be selected (e.g., completed, closed, or locked).
  Authorization Issues: Lack of proper authorizations to view or select certain activities can also lead to this error.
  Data Inconsistencies: There may be inconsistencies in the project data or