Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/d4d3dab5-31f2-4cbd-9a5f-bdae11904cf4/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-91ba8b85-10ad-4153-b17d-358937ca8494",
      "cw-d125fa16-366b-4a63-a245-1836b905744d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-087d7824-4e82-4a6c-a6e2-d96154a63726",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/d4d3dab5-31f2-4cbd-9a5f-bdae11904cf4/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d125fa16-366b-4a63-a245-1836b905744d",
    "thumbnailNavigationPosition": "far-bottom"
  }
}