Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/7db1a7e7-fb94-41b7-9fe4-c5a54df62038/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-85e0319a-044a-4174-b9bc-8889341f6762",
      "cw-97c801c0-eefb-4abe-929c-f20cb238738d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5eb697f5-32ab-4abd-9fc2-0a31fd1cccd7",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/7db1a7e7-fb94-41b7-9fe4-c5a54df62038/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-97c801c0-eefb-4abe-929c-f20cb238738d",
    "thumbnailNavigationPosition": "far-bottom"
  }
}