How To Fix CNPB016 - Moving activity elements to activities not supported

CNPB016 - Overview

• Message type: E = Error

• Message class: CNPB - Project Builder

• Message number: 016

• Message text: Moving activity elements to activities not supported

What causes this issue?

You cannot move activity elements to activities. You can only copy one
activity element to another activity. You can simulate the movement of
an activity element by copying an activity element first and then
deleting the original element, if this is possible.

System Response

No action is carried out.

How to fix this error?

If you want to copy the activity element, use drag and drop, with the
help of the control key.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

CNPB016 - Details

• The SAP error message CNPB016, which states "Moving activity elements to activities not supported," typically occurs in the context of project management or production planning within SAP. This error indicates that there is an attempt to move or assign activity elements (such as tasks or components) to activities in a way that is not permitted by the system.
  
  Cause:
  
  Invalid Activity Structure: The activity structure may not support the type of movement you are trying to perform. For example, you might be trying to move elements between activities that are not compatible.
  Activity Status: The status of the activities involved may not allow for changes. For instance, if an activity is already completed or locked, moving elements to it may not be allowed.
  Hierarchy Issues: The hierarchy of activities may not be correctly set up, leading to restrictions on how elements can be moved.
  Configuration Settings: There may be specific configuration settings in the project