I've just installed the CDN Sync Tool, and after validating the data I entered, when I go to run the sync, I keep on getting this error message:
Syncing [1/1674] wp-content/themes/thesis_18/style.css skipped, already synced
Syncing [2/1674] wp-content/themes/thesis_18/screenshot.png
Fatal error: Call to undefined function mime_content_type() in /home/xxx/yyy/wp-content/plugins/cdn-sync-tool/lib/Cdn/Cf.php on line 91
The CSS file has gone to the CDN, but nothing else.
How do I fix this?