Dedesignation not possible as desig./dedesig. flows exist for &1 after &2

What causes this issue?

The system has found that there already exists Designated / Dedesignated
Flows for the Hedged Item / Hedging Instrument after the supplied
Dedesignation key date because of which this Dedesignation will lead to
under hedging of the underlying (the Dedesignated part of the underlying
will be greater than the Designated part of the underlying which should
not occur ideally).

System Response

The Dedesignation has been terminated.

How to fix this error?

- Please refer to the Designated / Dedesignated Flows for the
corresponding Hedged Item / Hedging Instrument (The above
functionality is available in transaction TPM100 under the Hedged Item /
Hedging Instrument tabs).
- After carefully studying the above mentioned flows kindly adjust this
amount so that the Dedesignation goes through.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.