Embed thumbnail into file doesn't work.

I do not know what's the problem.

Log:

Beginning download, this box will output progress
Youtube-DL has been found and set
Generating output directory structure
The output was generated and will be used
The quality and format has been set
Arguments have been generated and are readonly in the textbox
Creating download thread
Created, starting download thread
[youtube] QOJfyp0KMmM: Downloading webpage
[youtube] QOJfyp0KMmM: Downloading thumbnail ...
[youtube] QOJfyp0KMmM: Writing thumbnail to: D:\test\youtube.com\Video\I Created An A.I. to DESTROY Tetris.webp
[download] Destination: D:\test\youtube.com\Video\I Created An A.I. to DESTROY Tetris.f160.mp4

[download]   0.0% of 4.74MiB at 200.32KiB/s ETA 00:24
[download]   0.1% of 4.74MiB at 600.96KiB/s ETA 00:08
[download]   0.1% of 4.74MiB at  1.14MiB/s ETA 00:04 
[download]   0.3% of 4.74MiB at  2.44MiB/s ETA 00:01 
[download]   0.6% of 4.74MiB at  1.08MiB/s ETA 00:04 
[download]   1.3% of 4.74MiB at  2.12MiB/s ETA 00:02 
[download]   2.6% of 4.74MiB at  3.35MiB/s ETA 00:01 
[download]   5.3% of 4.74MiB at  4.22MiB/s ETA 00:01 
[download]  10.5% of 4.74MiB at  4.94MiB/s ETA 00:00 
[download]  21.1% of 4.74MiB at  6.53MiB/s ETA 00:00 
[download]  42.2% of 4.74MiB at  8.03MiB/s ETA 00:00 
[download]  84.3% of 4.74MiB at  9.50MiB/s ETA 00:00 
[download] 100.0% of 4.74MiB at  9.58MiB/s ETA 00:00 
[download] 100% of 4.74MiB in 00:00                  
[download] Destination: D:\test\youtube.com\Video\I Created An A.I. to DESTROY Tetris.f140.m4a

[download]   0.0% of 16.13MiB at 499.02KiB/s ETA 00:33
[download]   0.0% of 16.13MiB at  1.46MiB/s ETA 00:11 
[download]   0.0% of 16.13MiB at  3.41MiB/s ETA 00:07 
[download]   0.1% of 16.13MiB at  4.89MiB/s ETA 00:03 
[download]   0.2% of 16.13MiB at 688.37KiB/s ETA 00:23
[download]   0.4% of 16.13MiB at  1.34MiB/s ETA 00:12 
[download]   0.8% of 16.13MiB at  2.64MiB/s ETA 00:06 
[download]   1.5% of 16.13MiB at  3.61MiB/s ETA 00:04 
[download]   3.1% of 16.13MiB at  4.75MiB/s ETA 00:03 
[download]   6.2% of 16.13MiB at  6.45MiB/s ETA 00:02 
[download]  12.4% of 16.13MiB at  7.57MiB/s ETA 00:01 
[download]  24.8% of 16.13MiB at  8.95MiB/s ETA 00:01 
[download]  49.6% of 16.13MiB at  9.30MiB/s ETA 00:00 
[download]  61.3% of 16.13MiB at  9.97MiB/s ETA 00:00 
[download]  61.3% of 16.13MiB at 499.98KiB/s ETA 00:12
[download]  61.3% of 16.13MiB at  1.46MiB/s ETA 00:04 
[download]  61.3% of 16.13MiB at  3.42MiB/s ETA 00:01 
[download]  61.3% of 16.13MiB at  7.32MiB/s ETA 00:00 
[download]  61.4% of 16.13MiB at  3.36MiB/s ETA 00:01 
[download]  61.6% of 16.13MiB at  3.62MiB/s ETA 00:01 
[download]  62.0% of 16.13MiB at  3.35MiB/s ETA 00:01 
[download]  62.8% of 16.13MiB at  5.30MiB/s ETA 00:01 
[download]  64.3% of 16.13MiB at  5.80MiB/s ETA 00:00 
[download]  67.4% of 16.13MiB at  7.14MiB/s ETA 00:00 
[download]  73.6% of 16.13MiB at  9.25MiB/s ETA 00:00 
[download]  86.0% of 16.13MiB at  9.21MiB/s ETA 00:00 
[download] 100.0% of 16.13MiB at  9.38MiB/s ETA 00:00 
[download] 100% of 16.13MiB in 00:01                  
[ffmpeg] Merging formats into "D:\test\youtube.com\Video\I Created An A.I. to DESTROY Tetris.mp4"
Deleting original file D:\test\youtube.com\Video\I Created An A.I. to DESTROY Tetris.f160.mp4 (pass -k to keep)
Deleting original file D:\test\youtube.com\Video\I Created An A.I. to DESTROY Tetris.f140.m4a (pass -k to keep)
[ffmpeg] Adding metadata to 'D:\test\youtube.com\Video\I Created An A.I. to DESTROY Tetris.mp4'
[atomicparsley] Adding thumbnail to "D:\test\youtube.com\Video\I Created An A.I. to DESTROY Tetris.mp4"
Error:
ERROR: 

An error occured

Args: https://www.youtube.com/watch?v=QOJfyp0KMmM -o "D:\test\youtube.com\Video\%(title)s.%(ext)s" -f "bestvideo[ext=mp4][height<=144]+bestaudio[ext=m4a]/best[ext=mp4]/best" --write-thumbnail --embed-thumbnail --add-metadata I have updated all components: https://i.imgur.com/jDgOhvN.png

murrty / youtube-dl-gui

Embed thumbnail into file doesn't work. #49