For ALL credit card related errors during checkin, as a temporary work-around, we suggest you finish the checkin as “Pay Later / On Account” to finalize and record the Reservation. Immediately there after, or later, a payment can be collected and posted to the account.
Error: Checkin Failed : 0: Apprv Lesser Amt – means that the user has only a portion of the funds available to process the transaction. The user should be asked for a different card or another form of payment.