Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digital.libraries.psu.edu/iiif/info/maps1/9814/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ac602d35-3a83-4b98-ba35-94680f3ed337",
      "cw-068a9972-3390-4e91-985e-489521bc8454"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2d424b2e-a05c-4bf5-96f0-a8f65b63ba6e",
    "manifestId": "https://digital.libraries.psu.edu/iiif/info/maps1/9814/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-068a9972-3390-4e91-985e-489521bc8454"
  }
}