Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/5b8bf41b-cebc-4e77-8b04-9ed505e703b2/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bd812492-b6ed-42e7-99a9-f10b09f618cf",
      "cw-7fcd6f77-2595-4f6f-afb8-e2ceab5e4282"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-73597684-f16c-4682-aade-3dc575f276df",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/5b8bf41b-cebc-4e77-8b04-9ed505e703b2/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7fcd6f77-2595-4f6f-afb8-e2ceab5e4282",
    "thumbnailNavigationPosition": "far-bottom"
  }
}