A friend send me money i refunded his money but it’s still processing

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Hello guys, A friend send me money, but decided he didn’t want to go on the trip due to covid, so I just clicked ‘refund this payment’. This wasn’t very smart of me, because a week later now (last friday the payment happened), it is still processing. Is this normal? is there any thing I can do? It’s nearly impossible to get ahold of a paypal service agent and I haven’t even got a email about this, it just immediatly went of my balance, but never went to this, until this day. Thank you very much for the help guys!