I have a guy Friend recently something happned in which he one of my friend (whom he hates) and I were involved and he is mad at me what should I do?

Like we r friends since childhood n he literally hates my friend n now he was kinda mad because of the incident he says he isn't mad but it felt like he is mad what should I do about this matter n also I have to crush on him since a few years so will this mater affect our friendship?

Updates
+1 y
Ok so wht happned was the girl who is my friend used to like him in middle school n he didn't like her so he stopped talking to he n now he finds her annoying n he had told me that n he doesn't like it that she is my friend and now I really like him n I can't see him being mad at me what should I do?
I have a guy Friend recently something happned in which he one of my friend (whom he hates) and I were involved and he is mad at me what should I do?
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