SPL Runtime Error: Tried to execute CALL on a variable with no function/method reference!
in:         windows_html (byte 2410 in code block '/var/www/clifford/spl/demos/friends.webspl')
called by:  finish (byte 1822 in code block '/var/www/clifford/spl/demos/friends.webspl')
called by:  ROOT (near line 232, char 5 in '/var/www/clifford/spl/demos/friends.webspl')