[Plugin: Default Blog] Errors on activating

Installed plugin in right directory
(Check other plugins there work OK)
Logged in as superadmin, other plugins network activate fine.
Went to activate and got lots of errors:

Warning: include(/var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/ui/functions_layout.inc.php) [function.include]: failed to open stream: No such file or directory in /var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/default-blog.php on line 23

Warning: include() [function.include]: Failed opening ‘/var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/ui/functions_layout.inc.php’ for inclusion (include_path=’.:/usr/local/lib/php’) in /var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/default-blog.php on line 23

Warning: include(/var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/lib/io.inc.php) [function.include]: failed to open stream: No such file or directory in /var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/default-blog.php on line 24

Warning: include() [function.include]: Failed opening ‘/var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/lib/io.inc.php’ for inclusion (include_path=’.:/usr/local/lib/php’) in /var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/default-blog.php on line 24

Warning: include(/var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/admin/admin.php) [function.include]: failed to open stream: No such file or directory in /var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/default-blog.php on line 25

Warning: include() [function.include]: Failed opening ‘/var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/admin/admin.php’ for inclusion (include_path=’.:/usr/local/lib/php’) in /var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/default-blog.php on line 25

Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, ‘ajaxui_js’ was given in /var/sites/f/fortherapy.co.uk/public_html/wp-includes/plugin.php on line 403

Warning: Cannot modify header information – headers already sent by (output started at /var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/default-blog.php:23) in /var/sites/f/fortherapy.co.uk/public_html/wp-includes/option.php on line 563

Warning: Cannot modify header information – headers already sent by (output started at /var/sites/f/fortherapy.co.uk/public_html/wp-content/plugins/default-blog-options/default-blog.php:23) in /var/sites/f/fortherapy.co.uk/public_html/wp-includes/option.php on line 564

Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, ‘defblog_css’ was given in /var/sites/f/fortherapy.co.uk/public_html/wp-includes/plugin.php on line 403

Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, ‘ajaxui_css’ was given in /var/sites/f/fortherapy.co.uk/public_html/wp-includes/plugin.php on line 403

http://wordpress.org/extend/plugins/default-blog-options/