Translation Rule PTD ledger currency ending balance is zero, however translated balances not zero.

For Translation Rule PTD, we noticed that when ending balances in ledger currency is zero there are still ending balances in Translated Balances.

Please see sample below. Please advise the best way to correct - if the ending balance is 0 the translated balances should be 0 - due to the difference rates at the time the balances is cleared from ledger currency it is incorrectly showing ending balances in translated currency.

Is historical rate required to clear the balances?

Thank you.