How To Fix C1161 - Date for changes to characteristic & cannot be changed

C1161 - Overview

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 161

• Message text: Date for changes to characteristic & cannot be changed

What causes this issue?

You want to change the valid-from date of the change master record.
This is not possible, because characteristic &v1& means that &V2& is no
longer consistent.
This is because object dependencies for characteristic &v1& have
already been changed with a change number on the new valid-from date
(&V1&).

System Response

The system produces a message log with a list of the change objects
that prevent a date shift.

How to fix this error?

Please move the valid-from date of the change number to a different
date.

Error message extract from SAP system. Copyright SAP SE.

C1161 - Details

• The SAP error message C1161, which states "Date for changes to characteristic & cannot be changed," typically occurs in the context of SAP's classification system, particularly when dealing with characteristics in the classification of materials or objects.
  
  Cause:
  This error usually arises when you attempt to change the validity date of a characteristic that is already in use or has been defined with a specific validity period. The system restricts changes to ensure data integrity and consistency, especially if the characteristic is linked to existing records or transactions.
  
  Solution:
  To resolve this error, you can consider the following steps:
  
  
  Check Validity Dates: Review the validity dates of the characteristic you are trying to change. Ensure that you are not trying to modify a characteristic that is currently in use or has existing records associated with it.
  
  
  Change the Characteristic: If you need to change the characteristic, you may need to create a new characteristic with the