This appears to be a defect in the browser which should be addressed soon.
The simplest approach to avoid this problem is to continue to use the Facebook app but not use the in-app browser.
WITHDRAWALS and REFUNDS: All paid entries are subject to a $125 handling fee at all times.
Refunds minus $125 are available up until December 10, 2017, when there are no refunds for withdrawal or no show for any reason.
Included in the entry fee is all three rounds of the tournament as well as the practice round on Tuesday, December 19.