Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digital.libraries.psu.edu/iiif/info/maps1/16098/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-78aaa268-d7d3-4efd-862e-320c47e60bf5",
      "cw-7554b4e4-5fd4-41c7-96c8-e3fb80048994"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4d384777-538c-45df-9f30-b3444c00a11e",
    "manifestId": "https://digital.libraries.psu.edu/iiif/info/maps1/16098/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7554b4e4-5fd4-41c7-96c8-e3fb80048994"
  }
}