Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/8e1d98c1-16c1-4e5e-ad20-e53883363953/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-07a524f5-6ce6-4539-b980-116267031f41",
      "cw-2d0dcf74-5797-4e46-b52c-ebcbb7747a75"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d1267c8b-ec95-458c-9dcc-d72dae0be606",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/8e1d98c1-16c1-4e5e-ad20-e53883363953/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2d0dcf74-5797-4e46-b52c-ebcbb7747a75",
    "thumbnailNavigationPosition": "far-bottom"
  }
}