Update user finding (by username) in teams members (team of users) controller

app/controllers/teams/members_controller.rb

@@ -43,7 +43,7 @@ class Teams::MembersController < Teams::ApplicationController
   protected
   def team_member
-    @member ||= user_team.members.find(params[:id])
+    @member ||= user_team.members.find_by_username(params[:id])
   end
 end