How To Fix 1F612 - Changing interval not possible as hierarchy was already used

1F612 - Overview

• Message type: E = Error

• Message class: 1F - BKK: Beziehungen

• Message number: 612

• Message text: Changing interval not possible as hierarchy was already used

What causes this issue?

If a hierarchy for interest compensation has already been used, you can
no longer change the interval.
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System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

1F612 - Details

• The SAP error message 1F612 ("Changing interval not possible as hierarchy was already used") typically occurs in the context of SAP's controlling (CO) module, particularly when dealing with cost centers, internal orders, or other hierarchical structures. This error indicates that you are trying to change the interval of a hierarchy that has already been used in a transaction or report, which is not allowed because it could lead to inconsistencies in the data.
  
  Cause:
  
  Hierarchy Usage: The hierarchy you are trying to modify has already been referenced in transactions, reports, or other data entries. This could include cost allocations, planning, or actual postings.
  Data Integrity: SAP enforces data integrity rules to ensure that changes do not lead to inconsistencies in financial reporting or analysis.
  
  
  Solution:
  
  Check Usage: Before attempting to change the interval of a hierarchy, check if it has been used in any transactions. You can do this by reviewing transaction logs or reports