Interest rate adjustment on &1 cannot be created before existing &2

What causes this issue?

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

System Response

In the table for reference interest rates, a new reference interest rate
entry has been made. Some fixed interest rates already exist before
this new reference interest rate entry.

How to fix this error?

To enter the new reference interest rate, reverse the fixed interest
rate up until the new reference interest rate entry.

Error message extract from SAP system. Copyright SAP SE.