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Kdenlive won't launch in Ubuntu Studio 18.04

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rafazago
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Kdenlive won't launch in Ubuntu Studio 18.04

Mon Sep 03, 2018 10:42 pm
Hello there!

I'm having a little issue with Kdenlive, which is not lauching at all. I was able to open and work with it normally a few days ago.
I've tried removing it, installing via terminal, Ubuntu Studio's "app store" and AppImage, each of them to no success (and, of course, one at a time). I click the icon and nothing happens.

Curiously, when I tried to launch Kdenlive via terminal, I got the following error message:
(kdenlive:26472): Gtk-WARNING **: 18:49:38.512: Theme parsing error: gtk.css:597:14: not a number

(kdenlive:26472): Gtk-WARNING **: 18:49:38.513: Theme parsing error: gtk.css:597:14: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.513: Theme parsing error: gtk.css:600:17: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.514: Theme parsing error: gtk.css:784:14: not a number

(kdenlive:26472): Gtk-WARNING **: 18:49:38.514: Theme parsing error: gtk.css:784:14: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.514: Theme parsing error: gtk.css:787:17: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.515: Theme parsing error: gtk.css:1096:14: not a number

(kdenlive:26472): Gtk-WARNING **: 18:49:38.515: Theme parsing error: gtk.css:1096:14: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.515: Theme parsing error: gtk.css:1099:17: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.520: Theme parsing error: gtk.css:2286:8: not a number

(kdenlive:26472): Gtk-WARNING **: 18:49:38.520: Theme parsing error: gtk.css:2286:18: Using Pango syntax for the font: style property is deprecated; please use CSS syntax

(kdenlive:26472): Gtk-WARNING **: 18:49:38.520: Theme parsing error: gtk.css:2291:8: not a number

(kdenlive:26472): Gtk-WARNING **: 18:49:38.520: Theme parsing error: gtk.css:2291:18: Using Pango syntax for the font: style property is deprecated; please use CSS syntax

(kdenlive:26472): Gtk-WARNING **: 18:49:38.525: Theme parsing error: gtk.css:4357:14: not a number

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4357:14: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4419:12: not a number

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4419:12: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4428:16: not a number

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4428:16: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4443:22: not a number

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4443:22: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4499:12: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4501:16: not a number

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4501:16: Expected a string.

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4549:12: not a number

(kdenlive:26472): Gtk-WARNING **: 18:49:38.526: Theme parsing error: gtk.css:4549:12: Expected a string.
QApplication: invalid style override passed, ignoring it.
no more csLADSPA plugins
QGLXContext: Failed to create dummy context
Failed to create OpenGL context for format QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::SwapBehavior(DoubleBuffer), swapInterval 1, profile QSurfaceFormat::OpenGLContextProfile(NoProfile))
Abortado (imagem do núcleo gravada)


Do you guys have any idea on how to solve this issue?
Merlimau
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Re: Kdenlive won't launch in Ubuntu Studio 18.04

Mon Sep 10, 2018 6:34 pm
Do you have de-installed GIMP lately? Gtk is part of GIMP and maybe part of QT. Try to install as repository.

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