I have two accounts and I cannot use Wikiloc Premium

If you have activated Wikiloc Premium and the App gives you a message saying that your subscription is with a different account than the one you are connected to, you will find all the information you need in this article to solve this issue: I can't use Wikiloc Premium (I have two accounts).

For other related questions with managing and accessing your account, you can check out this section: Account Management & Access. If your queries are about Wikiloc Premium, you can follow this link.