How To Fix C1160 - Date for changes to characteristic & cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 160

• 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 characteristic &v1& has 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1160 - Date for changes to characteristic & cannot be changed ?

  The SAP error message C1160, which states "Date for changes to characteristic & cannot be changed," typically occurs in the context of SAP's classification system when you attempt to modify a characteristic that has a defined change date. This error is often related to the management of characteristics in the classification system, particularly when dealing with the validity periods of characteristics.
  Cause:
  
  Change Date Defined: The characteristic you are trying to change has a specific change date set, which prevents modifications to its attributes or values.
  Validity Period: The characteristic may be part of a classification that has a defined validity period, and changes cannot be made outside of this period.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to make changes to the characteristic.
  
  Solution:
  
  Check Change Date: Review the change date associated with the characteristic. If you need to make changes, you may need to adjust the change date or create a new version of the characteristic.
  Modify Validity Period: If the characteristic is tied to a validity period, ensure that you are within the allowed timeframe for making changes. If necessary, extend the validity period.
  Authorization Check: Ensure that you have the appropriate authorizations to make changes to the characteristic. If not, contact your SAP administrator to obtain the necessary permissions.
  Use Transaction Codes: You can use transaction codes like CT04 (to change characteristics) or CT03 (to display characteristics) to review and manage the characteristics properly.
  Consult Documentation: Refer to SAP documentation or help resources for more detailed guidance on managing characteristics and their change dates.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  Training and Documentation: Consider reviewing SAP training materials or documentation related to the classification system and characteristics management for a deeper understanding.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.