Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digital.libraries.psu.edu/iiif/info/maps1/33416/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b63048f9-dd96-4254-8fd5-3f673868c1cc",
      "cw-b8db815f-5038-47d4-8c09-ae503677d038"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-33e51498-01b8-46cc-8507-e3c82d192598",
    "manifestId": "https://digital.libraries.psu.edu/iiif/info/maps1/33416/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b8db815f-5038-47d4-8c09-ae503677d038"
  }
}