If two close brothers of mine got into a dispute and start talking about one another behind each others backs to me, what do I do? I tried to push reconciliation but they message me about the other person, I don’t respond and I try to say they are both good brothers but I feel like I have sinned?

Ustadh AbdulAziz al-Haqqan
Remind them of Allah and tell them that you don't accept that they speak to you about this.