Since antigravity IDE 2.0, Agent can't use terminal "connection reset by peer"

Hello,

Since Antigravity 2.0, when I ask the agent to execute something, he says that’s not possible. Sometimes he gives me more information: “recvmsg: connection reset by peer” when he calls “run_command”.

I’m on Ubuntu Linux, currently using Antigravity IDE 2.0.4 installed from the official .tar.gz.
I’ve tried to give Antigravity IDE “full access” but the problem remains.

Having the same issue here, Linux Mint. Sandobx doesn’t allow the agent to run any command, it always fails with “connection reset by peer”.

The agent itself says:
"The connection: When I invoke the run_command tool, the agent system sends this request to a background daemon running on your local machine (using a local Unix domain socket).

The error: When my tool calls attempt to send the command to your shell runner, they receive connection reset by peer because the communication pipe between the agent and your local process runner is broken."

It suggests either disabling the sandbox or executing:
sudo sysctl -w kernel.unprivileged_userns_clone=1

“It allows normal, non-root users and software to create isolated, “fake root” containers on the fly without asking you for a sudo password every single time”.

Is that command safe? Any advice?