Bug: Stops merging subtitles if one single episode does not have a subtitle

[Capnode]

svtplay-dl versions:

svtplay-dl 4.69

Operating system and Python version:

Windows 11 and Python 3.8.8

What is the issue:

When downloading episodes where most of the episodes have subtitles, it stops merging subtitles to the mp4 file after an episode without subtitle is found.

svtplay-dl --verbose -A -M --all-subtitles https://www.svtplay.se/bamse