My sketchup go's subscription is not working when i sign in to my ipad or web

My sketchup go’s subscription is not working when i sign in to my ipad or web
I have purchase sketchup go subscription with my ipad, i got a receipt from app store and can work perfectly until today, suddenly it show that my subscription plan is free. then i’ve login to web browser and it still show only free version , not had my payment history.
i’ve contact apple support but they say i need to talk with sketchup team.
can somebody help me, really thx.

Did you get the subscription a month ago? If you did, it is assigned to an email that ends with @ku.th. Make sure you are signing in with that email address.

Can i change my email address?
My academic just change the policy and maybe i cant use that mail in the future

Sign into here, using the @ku.th email address:

https://ecom-prd.trimblepaas.com/account/organization

Look in the Members section, and you should see that email address assigned the Go subscription. There are three dots next to the @ku.th entry in the list, click on those to see options to remove that one from the list. After it is removed you can add a new user, and for the new user you could use the email address you want to use.

Once the right email is in the list you can start signing in with that email address, to be able to use the Go subscription.

This article shows the steps needed to remove a user and add a new user: