Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/33c5c336-d9fe-4d06-9f73-4cf6884998b5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a88a3582-7908-4831-951a-1e0dd86982f9",
      "cw-847d7832-62e3-4a44-bdec-604c4b55e8e4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fb682291-91d4-4e79-92bc-f4f7eb44a7f0",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/33c5c336-d9fe-4d06-9f73-4cf6884998b5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-847d7832-62e3-4a44-bdec-604c4b55e8e4",
    "thumbnailNavigationPosition": "far-bottom"
  }
}