Install kdenlive-data by entering the following commands in the terminal:
sudo apt update sudo apt install kdenlive-data
Description:
non-linear video editor (data files)
Kdenlive is a non-linear video editing suite, which supports DV, HDV and many more formats. Its main features are: * Guides and marker for organizing timelines * Copy and paste support for clips, effects and transitions * Real time changes * FireWire and Video4Linux capture * Screen grabbing * Exporting to any by FFMPEG supported format . This package contains the data files for kdenlive.
Homepage: http://www.kdenlive.org/
Version: 4:17.12.3-0ubuntu1
Section: universe/graphics