Was yours from a booking.com booking? Trying to pinpoint where the problem is coming from

For the last hour I have received 60+ emails confirming the exact same booking. I have tried deleting it and manually adding the guest, but not only do the emails keep coming it actually allows the booking to go through on my calendar even though we are 100% full for tonight. Need some help ASAP ple...

We're trying to pay our monthly fees, but when I click "payment" it tells me "Your account does not allow access to this page". How am I suppose to pay?