Invalid URL Key ( my friend )

[yakovlev.maxim.1111]

Hello, there was a problem with a friend, I sent him an invitation and an error came out when confirming it, is there any way to fix it?
My steam https://steamcommunity.com/id/elow11111/
My friend steam https://steamcommunity.com/id/gdelevo

 

[miron2004pisanny]

Hi, how did you solve this problem?