When logging in from the game it says expired, go to log in website and get the below message no matter what I do?

I got my cousin to do the same with his account which is also expired and the same is happening to him

I have a ticket number of Ticket#2020050310000027 someone came back to me on Sunday and advised to delete the browser and cache but this didn't work and I have had no reply since

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Please Help

Napper