Error after upgrading to version 14.03

Hello,
after upgrading from ver 14.02 to 14.03 i got the following error in the main screen

Warning : DateTime::setTimestamp() expects parameter 1 to be int, string given in D:\dolibarr\www\dolibarr\htdocs\core\lib\functions.lib.php on line 2292

Warning : DateTime::setTimestamp() expects parameter 1 to be int, string given in D:\dolibarr\www\dolibarr\htdocs\core\lib\functions.lib.php on line 2292