My Roles will not sync from Discord to Oxide

{
"Sync Nicknames": false,
"Update Rate (Seconds)": 2.0,
"Sync Data": [
{
"Oxide Group": "default",
"Discord Role (Name or Id)": "815261692464332800",
"Sync Source (Umod or Discord)": "Umod"
},
{
"Oxide Group": "vip",
"Discord Role (Name or Id)": "VIP",
"Sync Source (Umod or Discord)": "Umod"
}
],
"Debug Level (None, Error, Warning, Info)": "None"

Have you configured Discord Core and confirmed the players are linked using the configured link system?