Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/d9bff3cb-95cd-4d35-ad33-4a022d48fdd1/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d46f8837-e59b-4dfc-b302-a898e7ee0602",
      "cw-c67ee2dd-f2d0-4b24-aa1b-8ebe3fc94f23"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-60c369c1-49f8-4cca-be70-31c10a24938a",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/d9bff3cb-95cd-4d35-ad33-4a022d48fdd1/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c67ee2dd-f2d0-4b24-aa1b-8ebe3fc94f23",
    "thumbnailNavigationPosition": "far-bottom"
  }
}