Thanks for posting in the Community. We hope you don't mind us replying in English.
You should first check the Receipts section of your account page. Here is a link. If you don't see the two charges there, you most probably have multiple accounts. If this is the case, here is how to look for the second one.
If you find a second one with an active subscription, you can cancel the second subscription as described here.
Let us know how that went,
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