command /list executed from rcon client doesnt got answer

[BluetoothWiFi]

Describe the bug
When executing commands such as /list and other through rcon client no response is received.

To Reproduce
Steps to reproduce the behavior:

1. Open to any rcon client.
2. Connect to your server.
3. Try executing any eternal command, such as list or eternal:list.
4. No response is received.

Expected behavior
Server should respond with the expected output for the executed command

Screenshots
I see:

I need see:

Platform (please complete the following information):

• Java Version: JDK Temurin-21.0.3+9
• Server software: Leaves 1.21-13

[vLuckyyy]

Thank you for your report, we are working hard to identify this unusual problem!