[BUG] Purpur 1.21.5 domain dont work after 5 minutes of server operation

[D10RUS]

What Minecraft Server type and version are you using?
A clear and concise description of what the bug is.
Purpur 1.21.5 domain dont work after ~5 minutes of working server
To Reproduce
Steps to reproduce the behavior:
Just Play
Expected behavior
A clear and concise description of what you expected to happen.
Working
Screenshots
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Logs

The logs are empty and /plait agent status says everything is normal.

Additional context
Add any other context about the problem here.
/playit agent restart helps for a while