Sometimes, when a first buy is made as pick-up, the shippingData object inside the transaction receives the billing address, even though the two are different. Also, the "isBillingAddressDifferent" in the Payment details receives false, when it should've been received true.

Simulation

there is no way to assertively reproduce the error as it is intermittent.

Workaround

There is no workaround for this bug.