Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digital.libraries.psu.edu/iiif/info/maps1/10334/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9c1be3c5-f400-402b-b4a1-3a115829ee74",
      "cw-4d08455c-26d2-430c-acca-a41280140bfa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3c84fc9e-c5d2-4d70-8f2f-7dec3e99defa",
    "manifestId": "https://digital.libraries.psu.edu/iiif/info/maps1/10334/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4d08455c-26d2-430c-acca-a41280140bfa"
  }
}