Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digital.libraries.psu.edu/iiif/info/maps1/5614/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a860779b-7fd6-43d9-b693-20b4c3bea778",
      "cw-ea253a04-3736-4fa0-b840-e08382d3319c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f6d33f2c-e69d-4671-aa44-d9895c3835f5",
    "manifestId": "https://digital.libraries.psu.edu/iiif/info/maps1/5614/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ea253a04-3736-4fa0-b840-e08382d3319c"
  }
}