Error compiling pike script

/srv/www/users/hugo/tmp/pike/a.pike:7	Error: Attempt to call a non function value `() (function call).
/srv/www/users/hugo/tmp/pike/a.pike:7	Error: Expected: function.
/srv/www/users/hugo/tmp/pike/a.pike:7	Error: Got     : zero.
/srv/www/users/hugo/tmp/pike/a.pike:11	Error: Too many arguments to `() (function call) (expected 0 arguments).
/srv/www/users/hugo/tmp/pike/a.pike:11	Error: Got     : zero.