Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digital.libraries.psu.edu/iiif/info/maps1/30069/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5178b44c-cf47-40ec-bbfa-c1755957c193",
      "cw-acb0cb9a-162d-4fa1-846d-09f0b8b3351d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bf2c4f9e-61b3-4ec2-a04f-6533728a7508",
    "manifestId": "https://digital.libraries.psu.edu/iiif/info/maps1/30069/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-acb0cb9a-162d-4fa1-846d-09f0b8b3351d"
  }
}