Why can't I access my original store account and how do I cancel my plan?

[AnmolSandhu]

I cannot access my originalstore. And i had made another store which i dont want but it was made when i tried to open my origibal store but i got error that it There’s a problem loading this page. Like this:

Your account theanmolsandhu@gmail.com doesn't have permission to view this page. Try using a different account or going back to the Stores List paThere’s a problem loading this page.

I need to cancel my plan before im charged on November.

Kindly help me