https://bugs.kde.org/show_bug.cgi?id=440408
Bug ID: 440408
Summary: Invalid composition transitionX found on track 5 at 0
Product: kdenlive
Version: 21.04.2
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: major
Priority: NOR
Component: Effects & Transitions
Assignee: vpi...@kde.org
Reporter: davelis...@gmail.com
Target Milestone: ---
Created attachment 140405
--> https://bugs.kde.org/attachment.cgi?id=140405&action=edit
The clip that has the transition errors.
SUMMARY
When opening a project, I receive a list of errors stating:
"Invalid composition transitionX found on track 5 at 0"
Where X == 1 to 12
STEPS TO REPRODUCE
Project involved several video clips, each with 3 audio tracks. The entire
project would have 2 video tracks and 5 audio tracks. I created multiple
transitions between cuts of these clips. I would:
(Video would start on V1, and Audio on A1, A2, A3)
1. Click Shift + R to cut the clip where I wanted a transition.
2. Shift + R to cut again some distance on (usually ~1 second).
3. Ctrl + Shift + G to ungroup the video and audio on the 1 second long
segment.
4. Delete the audio on A1, A2 and A3 for the 1 second clip.
5. Move the 1 second clip to V2.
6. Move the next clip 1 second back on V1 and A1, A2, A3 (still grouped).
7. Insert a wipe/dissolve on the 1 second clip on V2 (this was extremely
temperamental - sometimes I would need to revert the transition, sometimes the
transition would seem to jump to a different unrelated clip, etc.).
8. I would continue with the project.
9. Audio voiceovers were added on track A4 for nearly the entirety of the
video.
10. Additional audio was added on A5 for video on V2.
After finishing the video, I saved. I then went to delete audio tracks A1 and
A3 (this is just guide audio for my voiceovers) and save. The project would not
save, and stated:
"Cannot write to file H:/xyz/blah.kdenlive, scene list is corrupted."
(This seems to be reproduceable)
I then closed and reopened the project. I deleted A1 and A3 again, and
attempted to save. This works. I then rendered the project, closed Kdenlive,
and went to sleep. When I got up in the morning and attempted to open the
project, I got the "Invalid composition transitionX found on track 5 at 0"
errors.
I've tried reproducing this with a smaller project, but I can't reproduce the
"Invalid composition" errors.
OBSERVED RESULT
The project spits out "Invalid composition transitionX found on track 5 at 0"
errors when opening. None of the clips are in the timeline. Only the
transitions appear to be in the timeline. The project appears to be completely
lost, though I assume the data is still in the project file - it just won't
load. It would be great if there was a way to recover from the errors.
EXPECTED RESULT
The project should load normally, and I can continue to edit and work on it.
SOFTWARE/OS VERSIONS
Windows: Microsoft Windows 10 Pro 10.0.19042 Build 19042
ADDITIONAL INFORMATION
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