Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/87ce288f-d573-4807-94d1-7ac9497a9a18/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-abc8b9fb-4a6e-4baa-8f70-4655d96635c9",
      "cw-b37f3f2d-587c-402a-b1ba-d5e81b956c72"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7eeaedf7-40ea-4e36-8f7b-4323ff95da58",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/87ce288f-d573-4807-94d1-7ac9497a9a18/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b37f3f2d-587c-402a-b1ba-d5e81b956c72",
    "thumbnailNavigationPosition": "far-bottom"
  }
}