fastcgi incomplete headers issues

[blunt]

joximu:
executing file test.sh from vu2000:

ispcp:~# su -s /bin/bash - vu2000
vu2000@ispcp:~$ /var/www/fcgi/master/test.sh
-su: /var/www/fcgi/master/test.sh: /bin/sh: bad interpreter: Permission denied

contents of php5-fcgi-starter:
ispcp:~# cat /var/www/fcgi/master/php5-fcgi-starter
#!/bin/sh

umask 022

PHPRC="/var/www/fcgi/master/php5/"

export PHPRC
PHP_FCGI_CHILDREN=2
export PHP_FCGI_CHILDREN
PHP_FCGI_MAX_REQUESTS=500
export PHP_FCGI_MAX_REQUESTS

exec /usr/bin/php5-cgi