- import { RelayNetworkLayer, gqlErrorsMiddleware } from 'react-relay-network-modern';
+ import { RelayNetworkLayer, errorMiddleware } from 'react-relay-network-modern';
- const network = new RelayNetworkLayer([ gqlErrorsMiddleware() ]);
+ const network = new RelayNetworkLayer([ errorMiddleware() ]);

- const network = new RelayNetworkLayer(middlewares, subscribeFn);
+ const network = new RelayNetworkLayer(middlewares, { subscribeFn });