diff --git a/Database.php b/Database.php
index 02c3ba3..99fe210 100644
--- a/Database.php
+++ b/Database.php
@@ -22,9 +22,9 @@ class Database
         $result = null;
         $error = 0;
         if(isset($params)) {
-            $result = pg_query_params($this->db, $sql, $params);
+            $result = @pg_query_params($this->db, $sql, $params);
         } else {
-            $result = pg_query($this->db, $sql);
+            $result = @pg_query($this->db, $sql);
         }
         if(!isset($result)) {
             $error = 10101;
diff --git a/start.php b/start.php
index 6710032..ee5bbb7 100644
--- a/start.php
+++ b/start.php
@@ -23,8 +23,6 @@
         return array_slice($numbers, 0, $count-1);
     }
 
-    print_r($questions_count);
-
     if($uid == '') {
         $error = 12103;
     } else if($length == 0) {