Account

Hello i purchased the premium account for the year. Worked fine for a few hours However when i log on now it still tells me to purchase premium then when trtimg to selet the already purchased log in it tells me to log in with the account im already logged in with. I cant even purches it again as it says i already hsve it when i click the option to buy. I have the invoice in my play store but i have no email with a windy invoice. So i cant resrore purchase.