Please please kindly issue a refund on my account.
I was not aware of the subscription. It might have been my 10 year old son who had hit the wrong key. I did not require your services and this is an error. I can't afford $249 for something i have never used.
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See: https://musescore.org/en/faq#faq-314712
So your 10 years old son knows your credit card number???