PHP errors when submitting attraction edit form

I see the following stack trace every time I submit attraction edit form.
This time I've edited http://to.uri.st/places/8e4938a5943c9...

Warning: in_array() [function.in-array]: Wrong datatype for second argument in /f1/content/tourist/public/lib/resource.php on line 491

Warning: in_array() [function.in-array]: Wrong datatype for second argument in /f1/content/tourist/public/lib/resource.php on line 492

Warning: Cannot modify header information - headers already sent by (output started at /f1/content/tourist/public/lib/resource.php:491) in /f1/content/tourist/public/lib/response.php on line 285

Warning: Cannot modify header information - headers already sent by (output started at /f1/content/tourist/public/lib/resource.php:491) in /f1/content/tourist/public/lib/response.php on line 290

Warning: Cannot modify header information - headers already sent by (output started at /f1/content/tourist/public/lib/resource.php:491) in /f1/content/tourist/public/lib/response.php on line 290

Warning: Cannot modify header information - headers already sent by (output started at /f1/content/tourist/public/lib/resource.php:491) in /f1/content/tourist/public/lib/response.php on line 290

Warning: Cannot modify header information - headers already sent by (output started at /f1/content/tourist/public/lib/resource.php:491) in /f1/content/tourist/public/lib/response.php on line 290

Warning: Cannot modify header information - headers already sent by (output started at /f1/content/tourist/public/lib/resource.php:491) in /f1/content/tourist/public/lib/response.php on line 290