How To Fix CPCL017 - Plan can only be changed with a change number

CPCL017 - Overview

• Message type: E = Error

• Message class: CPCL - Service Layer for Plans, Sequences, Operations, and Subober.

• Message number: 017

• Message text: Plan can only be changed with a change number

What causes this issue?

You have tried to change a routing without a change number. This
routing has already been changed with a change number and as such is a
history requirement.

System Response

You can not carry out any changes.

How to fix this error?

Select a valid change number for this routing.

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.

CPCL017 - Details

• The SAP error message CPCL017 ("Plan can only be changed with a change number") typically occurs in the context of production planning and control, particularly when dealing with planning data in SAP's Controlling (CO) or Production Planning (PP) modules. This error indicates that the system is configured to require a change number for any modifications to the planning data.
  
  Cause:
  The primary cause of this error is that the system is set up to enforce change management for planning data. This means that any changes to the plan (such as production plans, capacity plans, etc.) must be accompanied by a change number. This is often a part of a company's internal controls to ensure that changes are tracked and managed properly.
  
  Solution:
  To resolve this error, you need to follow these steps:
  
  
  Use a Change Number: When attempting to change the planning data, ensure that you are using a valid change number. You can create