Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/67ad508a-174f-43e0-b4a1-6dfea38eaef5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ddb60bcb-24e5-4dd3-9240-489b28041906",
      "cw-f745c149-d3bf-4553-895d-cebfb13273a8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-77b6027d-33b4-4ab4-9939-ceb9daa9aed0",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/67ad508a-174f-43e0-b4a1-6dfea38eaef5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f745c149-d3bf-4553-895d-cebfb13273a8",
    "thumbnailNavigationPosition": "far-bottom"
  }
}