How To Fix FOPCS604 - Assignment cannot be removed; Control validity has been restricted

FOPCS604 - Overview

• Message type: E = Error

• Message class: FOPCS - Messages for Structure Setup

• Message number: 604

• Message text: Assignment cannot be removed; Control validity has been restricted

What causes this issue?

System Response

The assignment cannot be removed if the control already became valid
before the start date of the timeframe you have personalized. Instead,
the validity (date until) of the control has been restricted to the day
before the start date of the personalized timeframe.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FOPCS604 - Details

• The SAP error message FOPCS604 indicates that an assignment cannot be removed because the control validity has been restricted. This typically occurs in the context of financial accounting or controlling modules where certain assignments or relationships between objects (like cost centers, profit centers, or internal orders) are subject to validity periods or restrictions.
  
  Cause:
  
  Control Validity Restrictions: The assignment you are trying to remove is likely tied to a control object that has a defined validity period. If the assignment falls outside of this period, the system will prevent you from making changes.
  Data Integrity Rules: SAP enforces data integrity rules to ensure that financial data remains consistent and accurate. Removing an assignment that is still valid or in use can lead to inconsistencies.
  Locked Objects: The object you are trying to modify may be locked due to ongoing processes or transactions that are dependent on it.
  
  
  Solution:
  
  Check Validity Period: Review the validity period of