Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digital.libraries.psu.edu/iiif/info/maps1/10169/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-560e9ca3-90ac-4f47-8f73-255deda30f3c",
      "cw-ed6f7d39-514d-4a09-ae48-5b18ca854323"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-12ca399c-3964-415a-ae3b-92a3884118ee",
    "manifestId": "https://digital.libraries.psu.edu/iiif/info/maps1/10169/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ed6f7d39-514d-4a09-ae48-5b18ca854323"
  }
}