ERROR 256: DB connection error in PGV_DB::createInstance(): SQLSTATE[HY000] [1040] Too many connections

Fatal error: DB connection error in PGV_DB::createInstance(): SQLSTATE[HY000] [1040] Too many connections in /home/phpgedview/apps/phpgedview-svn-r7320-trunk-phpgedview/includes/classes/class_pgv_db.php on line 405