How To Fix IQ181 - Historic change not permitted; object cannot be assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: IQ -

• Message number: 181

• Message text: Historic change not permitted; object cannot be assigned

What causes this issue?

You are trying to implement a component that was assigned to another
installed base at the time you started to maintain it, and that has
since been deimplemented. This would lead to a change in the historical
time segment that is not permitted for the components in both installed
bases.

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

System Response

A error message is triggered that changes to historical time segments of
an installed base are not permitted.

How to fix this error?

Save any changes you have made so far and restart this transaction so
that a new reference time can be chosen for the implementation by the
system.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IQ181 - Historic change not permitted; object cannot be assigned ?

  The SAP error message IQ181, which states "Historic change not permitted; object cannot be assigned," typically occurs in the context of SAP's Information Lifecycle Management (ILM) or when dealing with data archiving and retention policies. This error indicates that an attempt is being made to change the status or assignment of an object that is considered historical, meaning it is no longer eligible for modification due to compliance or data integrity reasons.
  Cause:
  
  Historical Data: The object you are trying to modify has been archived or marked as historical, which means it is protected from changes to ensure compliance with data retention policies.
  Data Retention Policies: The system is configured to prevent changes to certain data that has been retained for legal or regulatory reasons.
  Incorrect Process: The operation you are trying to perform may not be allowed on historical data, such as trying to reassign a document or object that has already been processed or archived.
  
  Solution:
  
  Check Object Status: Verify the status of the object you are trying to modify. If it is marked as historical, you will need to determine if it is appropriate to change it.
  Review Data Retention Policies: Consult with your compliance or data governance team to understand the policies in place regarding historical data. If changes are necessary, they may need to be made through a different process or with special permissions.
  Use Correct Transaction: Ensure you are using the correct transaction or process for the type of object you are working with. Some objects may have specific transactions for historical data.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on handling historical data and the specific object type you are working with.
  Seek Support: If you are unsure how to proceed, consider reaching out to your SAP support team or consulting with SAP support for assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  ILM Configuration: Review the configuration settings for Information Lifecycle Management in your SAP system to understand how historical data is managed.
  User Permissions: Ensure that you have the necessary permissions to perform the action you are attempting. Sometimes, restrictions may be in place based on user roles.
  
  By following these steps, you should be able to address the IQ181 error and understand the implications of working with historical data in SAP.