How do I enable OneSync?
- Log in to the Panel and click on your server.

- Click on the "Files" tab

- Click on the file server.cfg

- Add the following line to your server.cfg and save the file.
set onesync on

This is the line from the current FiveM documentation (possible values: on, legacy and off; choose on). The screenshot above still shows the old line set onesync_enabled 1; it is outdated, so use set onesync on.
Using txAdmin? Then do not set OneSync in server.cfg: txAdmin starts the server itself with +set onesync and comments out any onesync line in server.cfg at start-up. Set it in txAdmin under Settings → FXServer → Show Advanced → OneSync; it is On by default.
- Restart the server.

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