diff --git a/src/com/zoho/crm/api/exception/SDKException.php b/src/com/zoho/crm/api/exception/SDKException.php
index b3731d1..4bc6bff 100755
--- a/src/com/zoho/crm/api/exception/SDKException.php
+++ b/src/com/zoho/crm/api/exception/SDKException.php
@@ -39,7 +39,7 @@ public function __construct($code, $message, $details=null, \Exception $cause=nu
             $this->_message = $cause->getMessage();
         }
         
-        parent::__construct($message);
+        parent::__construct(is_null($message) ? "" : $message);        
     }
     
     /**
@@ -99,4 +99,4 @@ public function __toString()
 
         return $returnMsg;
     }
-}
\ No newline at end of file
+}