Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/70e67888-b4a8-411a-a4ab-90dc222066a7/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1d0f73ca-e249-433f-959b-97766a5b9d1c",
      "cw-7f6657af-9058-433f-86b7-8ab5e89954ba"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cfc8bd73-168d-445d-8007-325be6359b3b",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/70e67888-b4a8-411a-a4ab-90dc222066a7/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7f6657af-9058-433f-86b7-8ab5e89954ba",
    "thumbnailNavigationPosition": "far-bottom"
  }
}