Oops.

app/Http/Controllers/UserController.php

@@ -696,7 +696,7 @@ class UserController extends Controller {
             if ($valid['usr_addcomment'] == 1) {
                 $add = DB::table('usr_comments')
                     ->insert([
-                        'user_id' => $request->user_id,
+                        'user_id' => $check,
                         'profile_id' => $request->profile_id,
                         'reply_id' => ($request->reply_id > 0 ? $request->reply_id : 0),
                         'postdate' => time(),