Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/3998b4d6-0930-4108-87a2-9e7131b455c2/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-496282fa-3a60-47b6-871b-f82c4b7771f3",
      "cw-f3a32df2-89a1-467b-aac6-3a56827f92c0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1e7dbb8f-b367-4d8d-914a-a4f88ca18b17",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/3998b4d6-0930-4108-87a2-9e7131b455c2/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f3a32df2-89a1-467b-aac6-3a56827f92c0",
    "thumbnailNavigationPosition": "far-bottom"
  }
}