Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/446470d1-db9d-4561-8d49-018496699f16/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b7708df9-cc1a-4afb-aa31-5a4d8baf42aa",
      "cw-68851adf-deb3-416a-9c06-189267137dbd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a33af514-a2ca-4f32-9263-5627a84b2e4d",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/446470d1-db9d-4561-8d49-018496699f16/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-68851adf-deb3-416a-9c06-189267137dbd",
    "thumbnailNavigationPosition": "far-bottom"
  }
}