Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/ncdcr/iiif/028a494e-1f5c-43df-9763-d39fbc755bd5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-04d93a5b-0103-4dc0-b83e-34a8e845fb0c",
      "cw-21674681-73b3-43b1-9935-f2a412286808"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-da79dc69-138f-4c44-99d6-e9b0e5605ff2",
    "manifestId": "https://iiif.quartexcollections.com/ncdcr/iiif/028a494e-1f5c-43df-9763-d39fbc755bd5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-21674681-73b3-43b1-9935-f2a412286808",
    "thumbnailNavigationPosition": "far-bottom"
  }
}