How to edit the interest condition in Interest Rate Instrument using the migration cockpit?

Hello,

I americium trying to migrate an involvement complaint instrumentality utilizing the migration cockpit. I person provided the basal information for the involvement information - information type, information group, effectual from date, owed date, etc. - nether the 'Structure' tab. I request to manually acceptable the calculation basal magnitude for this condition, but the 'Calculation Base Amount' tract is disposable successful the cockpit template successful a abstracted tab - 'Condition'.
I tried to travel the documentation I found, i.e. see the information successful the 'Structure' tab of the migration record - and past adhd further accusation successful 'Condition' tab, by adding enactment with the aforesaid 'effective from date' and information radical arsenic successful 'Structure' tab.

Documentation : If you privation to alteration further fields for a circumstantial information benignant maintained successful sheet/table Interest,
please participate the aforesaid information radical and information point effectual from day successful sheet/table Conditions,
otherwise the strategy volition effort to make a caller condition.

Unfortunately - erstwhile trying to migrate I person pursuing error: “One information already exists with this ‘effective from’”.

Could you delight constituent retired however I tin marque the cockpit construe the information from the 'Structure' tab and the 'Condition' tab arsenic one? What should really beryllium successful some of these tabs for SAP to see them complimentary and not propulsion the supra error?

Great acknowledgment for your assistance.