What caused this error? "Error while recording replay - java.net SocketException

...any ideas?

2023-03-19 02:03:36.085 ERROR 22040 --- [Thread-1691] c.f.client.replay.ReplayServerImpl       : Error while recording replay

java.net.SocketException: Connection reset
    at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:323)
    at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:350)
    at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:803)
    at java.base/java.net.Socket$SocketInputStream.read(Socket.java:966)
    at java.base/java.io.InputStream.read(InputStream.java:218)
    at com.faforever.client.replay.ReplayServerImpl.recordAndRelay(ReplayServerImpl.java:149)
    at com.faforever.client.replay.ReplayServerImpl.lambda$start$1(ReplayServerImpl.java:102)
    at java.base/java.lang.Thread.run(Thread.java:833)

2023-03-19 02:03:36.086  WARN 22040 --- [Thread-1691] c.f.client.replay.ReplayServerImpl       : Error in replay server

java.net.SocketException: Connection reset
    at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:323)
    at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:350)
    at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:803)
    at java.base/java.net.Socket$SocketInputStream.read(Socket.java:966)
    at java.base/java.io.InputStream.read(InputStream.java:218)
    at com.faforever.client.replay.ReplayServerImpl.recordAndRelay(ReplayServerImpl.java:149)
    at com.faforever.client.replay.ReplayServerImpl.lambda$start$1(ReplayServerImpl.java:102)
    at java.base/java.lang.Thread.run(Thread.java:833)

2023-03-19 02:03:36.117 DEBUG 22040 --- [JJsonPeer] c.f.c.fa.relay.ice.IceAdapterCallbacks   : ICE adapter connection state changed to: Disconnected
2023-03-19 02:03:36.180  INFO 22040 --- [ForkJoinPool.commonPool-worker-3] com.faforever.client.game.GameService    : Forged Alliance terminated with exit code 1