Trying to embed Apache Superset to my React App

[sandeepatiwari12]

embedDashboard({ id: dashboardId, // given by the Superset embedding UI supersetDomain: "http://localhost:8088/", mountPoint: document.getElementById("my-superset-container"), // any html element that can contain an iframe fetchGuestToken: () => getGuestToken(), dashboardUiConfig: { hideTitle: true, filters: { expanded: true, }, }, });

it's not working for me, getting above error