Why can't I challenge my friend?

Question

You will need to wait until both players are on the same patch to be able to duel a friend from your friends list. In the options menu, you can check your build version on your mobile device. You can check it on Battle.net Launch on your desktop. On Jan 22, 2020

Hagrid P Hazard · Accepted Answer

You will need to wait until both players are on the same patch to be able to duel a friend from your friends list. In the options menu, you can check your build version on your mobile device. You can check it on Battle.net Launch on your desktop. On Jan 22, 2020

Why can't I challenge my friend?

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