How To Fix CN047 - Control key of superior activity is not changed

CN047 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 047

• Message text: Control key of superior activity is not changed

What causes this issue?

The subnetwork assignment was deleted. If the control key of the
superior activity was changed when creating a subnetwork, the control
key from profile &V1& is used. However, you have not maintained the
profile sufficiently. Therefore, the control key is not changed.

System Response

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN047 - Control key of superior activity is not changed ?

  The SAP error message CN047 ("Control key of superior activity is not changed") typically occurs in the context of project management and activity planning within SAP's Project System (PS) module. This error indicates that you are trying to change the control key of a subordinate activity, but the control key of the superior (or parent) activity has not been changed, which is a requirement for the system to allow such a modification.
  
  Cause:
  
  Control Key Dependency: In SAP, the control key defines how an activity is processed, including its scheduling, costing, and execution. If you attempt to change the control key of a subordinate activity, the system expects that the control key of the superior activity must also be changed to maintain consistency.
  Hierarchy Structure: The error can arise when there is a hierarchical relationship between activities, and the system enforces rules to ensure that changes in the hierarchy are valid and logical.
  
  
  Solution:
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