V difficult to shop online with FNB

It is v difficult to shop online with FNB. Their OTP takes a long time to be received, by which time FNB's portal has (presumably?) terminated the transaction - the only message is "transaction unsuccessful". No other information.

This happens often, with many stores!

Could FNB please include a count down on their online payment portal and a "continue" button??

Apologies for communicating via Hello Peter - but the help call numbers and on line chat do not help.