diff --git a/modules/Vtiger/helpers/Logger.php b/modules/Vtiger/helpers/Logger.php
index 1d545f488f837ab18910cfcd91ff8a0fcdab9533..9a8ac5e00f0f155eb14a41a1dde36773fb8a1d6d 100644
--- a/modules/Vtiger/helpers/Logger.php
+++ b/modules/Vtiger/helpers/Logger.php
@@ -71,6 +71,11 @@ class Logger {
     public function debug($message) {
         // Logging debug not implemented
     }
+    
+    public function fatal($message) {}
+    public function warn($message) {}
+    public function error($message) {}
+
 }
 
 // Define a custom log formatter