diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 21457b37848..06bd44ed345 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -1985,7 +1985,7 @@ function dol_print_date($time, $format = '', $tzoutput = 'auto', $outputlangs =
 	global $conf, $langs;
 
 	if ($tzoutput === 'auto') {
-		$tzoutput = (empty($conf) ? 'tzserver' : $conf->tzuserinputkey);
+		$tzoutput = (empty($conf) ? 'tzserver' : (isset($conf->tzuserinputkey)?$conf->tzuserinputkey:'tzserver'));
 	}
 
 	// Clean parameters
diff --git a/htdocs/core/tpl/extrafields_view.tpl.php b/htdocs/core/tpl/extrafields_view.tpl.php
index 9db0ae13824..01ea40af0fe 100644
--- a/htdocs/core/tpl/extrafields_view.tpl.php
+++ b/htdocs/core/tpl/extrafields_view.tpl.php
@@ -46,7 +46,6 @@ $reshook = $hookmanager->executeHooks('formObjectOptions', $parameters, $object,
 print $hookmanager->resPrint;
 if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');
 
-
 //var_dump($extrafields->attributes[$object->table_element]);
 if (empty($reshook) && is_array($extrafields->attributes[$object->table_element]['label']))
 {
diff --git a/htdocs/projet/class/project.class.php b/htdocs/projet/class/project.class.php
index c6e9799afa7..b0acb7869b1 100644
--- a/htdocs/projet/class/project.class.php
+++ b/htdocs/projet/class/project.class.php
@@ -708,6 +708,7 @@ class Project extends CommonObject
 			/* Return array even if empty*/
 			return $elements;
 		} else {
+			//$this->error = $this->db->error;
 			dol_print_error($this->db);
 		}
 	}