open the media management，its error “Property 'mime_type' of argument 'item' of event onFetchMediaItems has a wrong item. Valid: string”
i dont know why，thanks！
1 Answer
You will need to enable the fileinfo PHP extension, which might need to be done by your hosting provider, if you don't have the necessary permissions.
https://stackoverflow.com/questions/28981576/how-to-enable-php-fileinfo-extension-in-php
