Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/48bf970c-807d-4db2-99f4-80be8fe3f3eb/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f42acd27-dc3e-4823-8ff8-047702b50459",
      "cw-4142d343-7fb5-4d53-8bf7-7fac6992a7b6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-eccfd2bc-8468-425a-9a85-8f9ee67401c1",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/48bf970c-807d-4db2-99f4-80be8fe3f3eb/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4142d343-7fb5-4d53-8bf7-7fac6992a7b6",
    "thumbnailNavigationPosition": "far-bottom"
  }
}