Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digital.libraries.psu.edu/iiif/info/maps1/19076/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0ff2baa6-8226-40fe-a23e-62fb9bee21eb",
      "cw-bc744188-5ec1-41c5-b9ed-06fcc634214a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c78b6193-2ec1-4997-a3b0-332d129f6157",
    "manifestId": "https://digital.libraries.psu.edu/iiif/info/maps1/19076/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bc744188-5ec1-41c5-b9ed-06fcc634214a"
  }
}