diff --git a/Validator/Constraints/TwigSandbox.php b/Validator/Constraints/TwigSandbox.php
index 4b7814d..838b3e9 100644
--- a/Validator/Constraints/TwigSandbox.php
+++ b/Validator/Constraints/TwigSandbox.php
@@ -10,6 +10,7 @@
 class TwigSandbox extends Constraint
 {
     public $message = 'This value is not a valid Twig template. The parsing error is: {{ syntax_error }}';
+    public $criticalErrorMessage = 'Critical error occurred while rendering the template. Please check the correctness of template syntax.';
 
     public function validatedBy()
     {
diff --git a/Validator/Constraints/TwigSandboxValidator.php b/Validator/Constraints/TwigSandboxValidator.php
index 04d6e51..d5afe2c 100644
--- a/Validator/Constraints/TwigSandboxValidator.php
+++ b/Validator/Constraints/TwigSandboxValidator.php
@@ -50,11 +50,8 @@ public function validate($value, Constraint $constraint)
          }
          catch (\Exception $e) {
              ex_r:
-             $message = mb_strlen($e->getMessage()) > 150 ? mb_substr($e->getMessage(), 0, 150) . '…' : $e->getMessage();
 
-             $this->context->addViolation($constraint->message, array(
-                 '{{ syntax_error }}' => $message,
-             ));
+             $this->context->addViolation($constraint->criticalErrorMessage);
          }
      }
 }
\ No newline at end of file