CBS News, CBS Sports HQ, and ET Live are all giving ffmpeg errors. Logs are below.
EDIT: Looks like CBS channels are fixed on the latest beta pushed out a few minutes ago. Still getting a 404 for NHK World.
Also, it appears NHK World changed their stream URL.
https://b-nhkwlive-xjp.akamaized.net/hls/live/2003458-b/nhkwlive-xjp/index_100.m3u8: 404 Not Found
The new one I found was https://b-nhkwlive-xjp.akamaized.net/hls/live/2003458-b/nhkwlive-xjp/index_2M.m3u8.
2019/12/31 17:55:45.233437 [HLS] ffmpeg: ch6766-dANY-6aa750dc0566: [mpegts @ 0x2457200] Could not find codec parameters for stream 1 (Audio: aac ([15][0][0][0] / 0x000F), 0 channels): unspecified sample format
2019/12/31 17:55:45.233473 [HLS] ffmpeg: ch6766-dANY-6aa750dc0566: Consider increasing the value for the 'analyzeduration' and 'probesize' options
2019/12/31 17:55:45.234171 [HLS] ffmpeg: ch6766-dANY-6aa750dc0566: [hls @ 0x248fd40] sample rate not set
2019/12/31 17:55:45.234253 [HLS] ffmpeg: ch6766-dANY-6aa750dc0566: Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
2019/12/31 17:55:45.234312 [HLS] ffmpeg: ch6766-dANY-6aa750dc0566:
2019/12/31 17:56:11.006442 [HLS] Stopping transcoder session ch6766-dANY-6aa750dc0566 (out: 0s, finished: true)
2019/12/31 17:56:11.010806 [TNR] Closed connection to TVE-ATTOTT for ch6766 CBSNEWS
2019/12/31 17:56:11.026658 [HLS] Couldn't generate stream playlist for ch6766-dANY-6aa750dc0566: Stream stopped