Client Monkey C Language Server: connection to server is erroring

Monkey C LSP fails to start on Fedora Linux 42 (VS Code, official extension) with some cgroups error:

[Error - 5:40:33 PM] Client Monkey C Language Server: connection to server is erroring.
Header must provide a Content-Length property.
{"[0.001s][warning][os,container] cgroup memory controller path at '/sys/fs/cgroup' seems to have moved to '/../../../app.slice/app-org.chromium.chromium-36201.scope', detected limits won't be accurate\n[0.001s][warning][os,container] cgroup cpu controller path at '/sys/fs/cgroup' seems to have moved to '/../../../app.slice/app-org.chromium.chromium-36201.scope', detected limits won't be accurate\ncontent-length":"158"}
Shutting down server.
[Error - 5:40:33 PM] Stopping server failed
Error: Client is not running and can't be stopped. It's current state is: starting
    at x.shutdown (/var/home/user/.vscode/extensions/garmin.monkey-c-1.1.3/dist/extension.js:2:74971)
    at x.stop (/var/home/user/.vscode/extensions/garmin.monkey-c-1.1.3/dist/extension.js:2:74552)
    at x.stop (/var/home/user/.vscode/extensions/garmin.monkey-c-1.1.3/dist/extension.js:2:239987)
    at x.handleConnectionError (/var/home/user/.vscode/extensions/garmin.monkey-c-1.1.3/dist/extension.js:2:81031)
    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
[Error - 5:40:33 PM] Client Monkey C Language Server: connection to server is erroring.
Header must provide a Content-Length property.
{"{\"jsonrpc\"":"\"2.0\",\"method\":\"window/logMessage\",\"params\":{\"type\":3,\"message\":\"Workspace created for root folder \\u0027/var/home/user/Shared/sface\\u0027.\"}}Content-Length: 67"}
Shutting down server.
[Error - 5:40:33 PM] Stopping server failed
Error: Client is not running and can't be stopped. It's current state is: starting
    at x.shutdown (/var/home/user/.vscode/extensions/garmin.monkey-c-1.1.3/dist/extension.js:2:74971)
    at x.stop (/var/home/user/.vscode/extensions/garmin.monkey-c-1.1.3/dist/extension.js:2:74552)
    at x.stop (/var/home/user/.vscode/extensions/garmin.monkey-c-1.1.3/dist/extension.js:2:239987)
    at x.handleConnectionError (/var/home/user/.vscode/extensions/garmin.monkey-c-1.1.3/dist/extension.js:2:81031)
    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)

Does LSP support cgroups v2 which is default on any Linux distro?