Errors in log "Missing X-Plex-Container-Size header"

Server Version#: 1.28.0.5998
Player Version#: 9.5.0.33736

I’m seeing alot of this in my logs:

Jul 24, 2022 20:37:15.822 [0x7fc58fb9fb38] Warning — [Req#16108] Missing X-Plex-Container-Size header. This will fail with status code 400 in the future.
Jul 24, 2022 20:37:15.832 [0x7fc58f6d9b38] Warning — [Req#1610b] Missing X-Plex-Container-Size header. This will fail with status code 400 in the future.
Jul 24, 2022 20:37:15.854 [0x7fc58f893b38] Warning — [Req#1610f] Missing X-Plex-Container-Size header. This will fail with status code 400 in the future.
Jul 24, 2022 20:37:15.867 [0x7fc58f20cb38] Warning — [Req#16112] Missing X-Plex-Container-Size header. This will fail with status code 400 in the future.
Jul 24, 2022 20:37:15.874 [0x7fc592ce3b38] Warning — [Req#16115] Missing X-Plex-Container-Size header. This will fail with status code 400 in the future.
Jul 24, 2022 20:37:15.895 [0x7fc58f376b38] Warning — [Req#16119] Missing X-Plex-Container-Size header. This will fail with status code 400 in the future.
Jul 24, 2022 20:37:15.904 [0x7fc5909c9b38] Warning — [Req#1611c] Missing X-Plex-Container-Size header. This will fail with status code 400 in the future.
Jul 24, 2022 20:37:15.911 [0x7fc58fb9fb38] Warning — [Req#1611f] Missing X-Plex-Container-Size header. This will fail with status code 400 in the future.

It happens duirng playback to a Plex app on Android TV. Can anyone tell me what it means?

Could you provide the full server logs?

I don’t know if you ever figured this out but it looks like the app channel connect is causing these issues - do you use it on android tv?

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