Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/2d72b46b-b014-48e8-a033-040f69aa6b9f/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ee1790b5-491c-4216-8151-6c4cf77b250d",
      "cw-6f78cdcc-ecad-410d-b79d-0cac212ce576"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6d2e97fd-8888-444e-99d9-b22e903058cd",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/2d72b46b-b014-48e8-a033-040f69aa6b9f/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6f78cdcc-ecad-410d-b79d-0cac212ce576",
    "thumbnailNavigationPosition": "far-bottom"
  }
}