Are the 2 days the time you had left on your old membership, try logging off fab and it might reset it.
Not sure if this link helps but it can't harm ?
https://m.fabswingers.com/supporters/contact
https://www.fabswingers.com/contact-us/upgrade
Nearly right Sam although it will still get there
https://www.fabswingers.com/contact-us/upgrade
Contact Admin OP for help with upgrades