Error when trying to create group

[fluantiX]

Possible Unhandled Promise Rejection (id: 1):
Object {
"data": null,
"errors": Array [
Object {
"locations": Array [
Object {
"column": 11,
"line": 8,
"sourceName": null,
},
],
"message": "Validation error of type FieldUndefined: Field 'users' in type 'ChatRoom' is undefined @ 'getUser/ChatRooms/items/chatRoom/users'",
"path": null,
},
],
}