Kdenlive fails to start with segmentation fault

[Javier]

Running kdenlive from the terminal throws this output:

~$ kdenlive
kf5.kiconthemes: "Theme tree: (Breeze)"
Segmentation fault (core dumped)

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: kdenlive 4:15.04.2-0ubuntu1
ProcVersionSignature: Ubuntu 3.19.0-20.20-generic 3.19.8
Uname: Linux 3.19.0-20-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.17.3-0ubuntu4
Architecture: amd64
CurrentDesktop: KDE
Date: Thu Jun 11 00:29:21 2015
InstallationDate: Installed on 2014-09-06 (277 days ago)
InstallationMedia: Kubuntu-Plasma-5 14.10 "Utopic Unicorn" - Alpha amd64 (20140828.1)
JournalErrors:
 Error: command ['journalctl', '-b', '--priority', 'warning'] failed with exit code 1: No journal files were found.
 Failed to get journal fields: Cannot assign requested address
SourcePackage: kdenlive
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Davernos (davernos)]

~$ kdenlive
Icon theme "oxygen" not found.
Icon theme "oxygen" not found.
Error: standard icon theme "oxygen" not found!
Violación de segmento (`core' generado)

 OS: Ubuntu 15.10 wily
 Kernel: x86_64 Linux 4.2.0-23-generic
 Uptime: 1h 23m
 Packages: 2492
 Shell: bash 4.3.42
 Resolution: 1920x1200
 DE: Unity 7.3.2
 WM: Compiz
 WM Theme: Ambiance-Flat-Teal
Ambiance-Flat-Teal [GTK2]
, Ambiance-Flat-Teal [GTK3]
 Icon Theme: Vibrantly-Simple-Dark-Teal
 Font: Ubuntu 11
 CPU: Intel Core i5-2500K CPU @ 3.7GHz
 GPU: GeForce GTX 970
 RAM: 3333MiB / 7951MiB