Created attachment 112752 [details] Error Message Current MLT version is 6.8.0-2 SOX is installed The application works perfectly, smooth and no errors while editing a video, problem only occurs when trying to render a video, no format will work and the eror message is basic and not helpful. I have uninstalled everything and tried to reinstall everything (kdenlive related that is) to no avail! I tried the Appimage and it will render video with no problem, but it is not as smooth as Arch package. I have not edited a video in weeks, so I am not sure when this issue came about, if it was during an upgrade etc. The OS is a rather fresh install, little over a month since it was installed and it runs great.
It seems you have some “left over" from a previous Kdenlive. Rename/delete kdenliverc see here: https://community.kde.org/Kdenlive/Configuration.
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This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!
It seems you had a "incompatible" FFMPEG version on your system in conjunction with what Kdenlive needs.