I'm having the same issue, just tried the method you suggested by playing an old level and that did not fix it. I paid for the season pass this morning and after winning one level its gone.
I bought the season pass this morning (at the now higher price) and after 4 tiers it reset as ifI had never bought it. E mailed support and I keep getting e mails back to check with the help center. I've been playing for more than 6 years and between this and raising prices on everything, im definitely not enjoying theβ¦