BofA charlotte USA charge for 0$

About two weeks ago an old Microsoft account of mine got logged into and made fraudulent charges. I was luckily awake and able to stop it. Since then I delinked my PayPal and bank from everything and locked my cards. My anxiety has been awful about it and started to finally going down yesterday for me to finally get decent sleep. When I woke up though, I had a declined purchase of 0 dollars from BofA charlotte USA. I never take my debit card out so should I be worried. Or is it something like my subscription hitting bank of America and failing? Cause I did have a subscription fail two days prior but didn’t fully fail yet