nope ..
i copy you what i've received :
The plugin encountered an error during the database backup,the following error message was returned:
Error Message : MySQL server has gone away
Temporary files created in /wordpress adress/wp-content/uploads/wp-clone/wpclone_backup will be deleted.
Fatal error: Out of memory (allocated 28835840) (tried to allocate 4104 bytes) in /wordpress adress/wp-admin/includes/class-wp-filesystem-base.php on line 312
hoping this will help you to debug .. ;)