From e20d669e34276d30695c83454cd2ecbad3551d5c Mon Sep 17 00:00:00 2001
From: John BOTELLA <john.botella@atm-consulting.fr>
Date: Tue, 28 Dec 2021 19:08:47 +0100
Subject: [PATCH] Fix : prevent fatal error

---
 htdocs/core/class/validate.class.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/htdocs/core/class/validate.class.php b/htdocs/core/class/validate.class.php
index 1b2447dc23a..389bb708e82 100644
--- a/htdocs/core/class/validate.class.php
+++ b/htdocs/core/class/validate.class.php
@@ -61,6 +61,11 @@ class Validate
 			$this->outputLang = $outputLang;
 		}
 
+		if (!is_object($this->outputLang) || !method_exists($outputLang, 'load')) {
+			return false;
+		}
+
+		/** @var Translate $outputLang */
 		$outputLang->load('validate');
 
 		$this->db = $db;
@@ -212,7 +217,7 @@ class Validate
 	/**
 	 * Check Duration validity
 	 *
-	 * @param string $duration to validate
+	 * @param mixed $duration to validate
 	 * @return boolean Validity is ok or not
 	 */
 	public function isDuration($duration)