How To Fix CPWB563 - The change number or key date has changed

CPWB563 - Overview

• Message type: E = Error

• Message class: CPWB - General Workbench Messages

• Message number: 563

• Message text: The change number or key date has changed

What causes this issue?

You want to process details of object dependencies. To do this, you
enter a key date or a change number. However, you have already
processed details of object dependencies at an earlier point in time,
and:

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

At that time you used another key date or another change number
Since then you have not saved

System Response

You cannot process details of object dependencies using the entered key
date (or change number).

How to fix this error?

Save. You can now process the details of object dependencies with the
key date (or change number) entered.

Error message extract from SAP system. Copyright SAP SE.

CPWB563 - Details

• The SAP error message CPWB563, which states "The change number or key date has changed," typically occurs in the context of change management within SAP, particularly when working with change numbers in the context of production planning or engineering change management.
  
  Cause:
  This error usually arises when there is a mismatch between the change number or key date that is currently being used in a transaction and the one that is expected by the system. This can happen due to several reasons, including:
  
  Change Number Modification: The change number you are trying to use has been modified or is no longer valid.
  Key Date Issues: The key date you are using does not match the key date associated with the change number.
  Concurrent Changes: Another user may have changed the change number or key date while you were working on it.
  Data Consistency: There may be inconsistencies in the data that are causing the system to