Fix #5888

src/client/pages/messaging.vue

@@ -150,7 +150,7 @@ export default Vue.extend({
 				showCancelButton: true
 			});
 			if (canceled) return;
-			this.navigateGroup(group);
+			this.$router.push(`/my/messaging/group/${group.id}`);
 		}
 	}
 });

src/client/router.ts

@@ -31,6 +31,7 @@ export const router = new VueRouter({
 		{ path: '/my/mentions', component: page('mentions') },
 		{ path: '/my/messaging', name: 'messaging', component: page('messaging') },
 		{ path: '/my/messaging/:user', component: page('messaging-room') },
+		{ path: '/my/messaging/group/:group', component: page('messaging-room') },
 		{ path: '/my/drive', name: 'drive', component: page('drive') },
 		{ path: '/my/drive/folder/:folder', component: page('drive') },
 		{ path: '/my/pages', name: 'pages', component: page('pages') },