Not all requirements of DfGallery have been met.

Required Extensions
 curl is loaded.  json is loaded.

Files that need to exist
 /.htaccess exists.  /app/config/dfg/upgrade_state.php exists.

Check for writable files and directories
 /resources/cache/ is writable.  /resources/images/original/ is writable.  /resources/images/large/ is writable.  /resources/images/thumbnail/ is writable.  /app/config/dfg/upgrade_state.php is writable.

Invalid cURL response.
We expected 'true' from the url : http://tools.kumacchi.com/gallery/dfg/index.php/api/rest/test_curl

/home/kumacchi/www/tools/gallery/dfg/app/config/database.php is writable!
Please change it to read permissions (chmod 0664) for this file to continue.