app/lib/tableSimulation.tsx

@@ -34,7 +34,7 @@ export class TableSimulationSerializer implements Serializable<TableSimulation>
     return new TableSimulation(data.id, data.tables.map((table: any) => {
       return {
         number: table.number,
-        guests: table.guests.map((guest: any) => new Guest(guest.id, guest.name, guest.color, guest.status, [], guest.group)),
+        guests: table.guests.map((guest: any) => new Guest(guest.id, guest.name, guest.group?.name, guest.group?.id, guest.color)),
         discomfort: {
           discomfort: table.discomfort.discomfort,
           breakdown: {