All other videos can be dloaded except this one with error code

[Saparonia]

ERROR: Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument

This file is: https://www.youtube.com/watch?v=zkeTRijJi24

full output:
$ youtube-dl https://www.youtube.com/watch?v=zkeTRijJi24
[youtube] zkeTRijJi24: Downloading webpage
[download] Body language - Bill Gates-zkeTRijJi24.f398.mp4 has already been downloaded
[download] 100% of 49.34MiB
[download] Body language - Bill Gates-zkeTRijJi24.f140.m4a has already been downloaded
[download] 100% of 17.96MiB
[ffmpeg] Merging formats into "Body language - Bill Gates-zkeTRijJi24.mp4"
ERROR: Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument

I have updated youtube-dl and have used it on other videos but this one will not dload.
Although it tells me this has already been downloaded, the first attempt was identical and I have deleted that and begun again with same output.

2nd attempt
$ youtube-dl www.youtube.com/watch?v=zkeTRijJi24
WARNING: The url doesn't specify the protocol, trying with http
[youtube] zkeTRijJi24: Downloading webpage
[download] Destination: Body language - Bill Gates-zkeTRijJi24.f398.mp4
[download] 100% of 49.34MiB in 00:05
[download] Destination: Body language - Bill Gates-zkeTRijJi24.f140.m4a
[download] 100% of 17.96MiB in 00:01
[ffmpeg] Merging formats into "Body language - Bill Gates-zkeTRijJi24.mp4"
ERROR: Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument