Unknown media type in type

IF:

Unknown media type in type 'all/all'
Unknown media type in type 'all/allfiles'
Unknown media type in type 'uri/mms'
Unknown media type in type 'uri/mmst'
Unknown media type in type 'uri/mmsu'
Unknown media type in type 'uri/pnm'
Unknown media type in type 'uri/rtspt'
Unknown media type in type 'uri/rtspu'

Check:

cd /usr/share/mime-info
grep 'url/rtspu' *

empty result

DO

sudo rm /usr/share/mime/packages/kde.xml
sudo update-mime-database /usr/share/mime

PROFIT
From

Arch Linux : Work it