We had an issue affecting a small portion of Associations today, specifically related to matches for 15h (GMT) slot. Our team has already fixed the issue, but if your Association has been affected, contact our Support team (by simply clicking the question mark button "?" next to Settings in your Top Eleven app).
What about the 14:00 BST (13:00 GMT) matches? I had no problem with my 16:00 BST (15:00 GMT) match.
Any formation or tactics advice given is based purely on experience with my teams...