Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digital.libraries.psu.edu/iiif/info/maps1/24205/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-395e1936-156a-4a2f-87f6-ecd6dd8aae11",
      "cw-ab89048a-bfdf-4ad5-884d-3891ec425977"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6bed77a3-0808-4fea-b477-ee86b3db15b4",
    "manifestId": "https://digital.libraries.psu.edu/iiif/info/maps1/24205/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ab89048a-bfdf-4ad5-884d-3891ec425977"
  }
}