return false, if token is not found in database

app/controller/email.php

         $db = new \DB\Jig($token_db,\DB\Jig::FORMAT_JSON);
         $formcall = new \DB\Jig\Mapper($db,'form_calls');
 
-        $formcall->load(['@token = ?', $token]);
-        $f3->config($formcall->form);
-        $this->path = $formcall->path;
-
-        return true;
+        if($formcall->load(['@token = ?', $token])) {
+            $f3->config($formcall->form);
+            $this->path = $formcall->path;
+            return true;
+        } else {
+            return false;
+        }
     }
     
     function get_post_data() {
         $f3 = \Base::instance();
+        
         $token = $f3->get('POST.xss-token');
         if (ctype_alnum( $token )) {
             if ($this->load_form_config($token)) {