Fatal error: Uncaught exception 'Exception' with message 'You must provide version prefix.' in C:\wamp\www\projet_symfony\sysmed\lib\vendor\symfony-1.4.0\data\bin\release.php:27 Stack trace: #0 {main} thrown in C:\wamp\www\projet_symfony\sysmed\lib\vendor\symfony-1.4.0\data\bin\release.php on line 27