SRT stops after 10min (to Castr.com)

[Andrew]

Summary of the bug:

After 10min of SRT streaming it stops.
[vost#0:0/libx264 @ 00000200d17d4100] Error submitting a packet to the muxer: I/O error

Last message repeated 1 times

[out#0/mpegts @ 00000200d1767d40] Error muxing a packet
[out#0/mpegts @ 00000200d1767d40] Task finished with error code: -5 (I/O error)
[out#0/mpegts @ 00000200d1767d40] Terminating thread with return code -5 (I/O error)
How to reproduce:

% ffmpeg.exe -re -f lavfi -i "testsrc=size=1920x1080:rate=30" -f lavfi -i "sine=frequency=1000:sample_rate=48000" -vf "format=yuv420p" -c:v libx264 -preset veryfast -tune zerolatency -profile:v main -level 4.0 -b:v 5M -maxrate 5M -bufsize 10M -g 60 -c:a aac -b:a 128k -ac 2 -ar 48000 -f mpegts "srt://srt-ingest.castr.io:9998?pkt_size=1316&streamid=#!::r=live_**********,password=********,m=publish&latency=1000&recv_buffer_size=100000&send_buffer_size=100000" -report -v 9 -loglevel 99

ffmpeg version 
built on 12 Feb 2025 (BtbN windows 64 gpl) 

I have tried many different settings with buffers and delay etc, but every time it stops and throws the same error at 10minutes. (RTMP works fine)

[Andrew]

Log level: 99 logs

[MasterQuestionable]

͏    I/O error of pushing to remote source..?
͏    Query the service admin perhaps?

[Andrew]

Turns out it was a bug at the provider!