Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/ncdcr/iiif/12ab09f0-d7c7-4920-9a2b-9945cd15b7c4/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3bef2ed5-bd0a-4cf8-8a5d-5f7a7fe74c53",
      "cw-4fd6bb16-bfa3-4dd3-9f7d-f5718d078eaa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ae3061c0-3650-449c-8865-7e9eb3abec95",
    "manifestId": "https://iiif.quartexcollections.com/ncdcr/iiif/12ab09f0-d7c7-4920-9a2b-9945cd15b7c4/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4fd6bb16-bfa3-4dd3-9f7d-f5718d078eaa",
    "thumbnailNavigationPosition": "far-bottom"
  }
}