May be from the place where you are seeing the plan status.
Hi @AMEMS
welcome to our community! Thanks for your post.
We are sorry to hear that. To cancell your license please submit a ticket. Our dedicated department will take care of it as soon as posible. If you need assistance submiting a ticket, please read here, how to raise it:
https://community.teamviewer.com/English/kb/articles/72027-how-to-submit-a-ticket
Hope to see you soon again
Best, Alena