Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/ncdcr/iiif/2c8d99c8-94a9-4d71-9ea2-9218ce14ae66/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2be91df1-7e37-407f-b51a-b9ffc54c8455",
      "cw-ee4d419c-6640-4c81-a46b-1b0899838793"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b1aab14b-2c7f-4091-8204-40a024d38d63",
    "manifestId": "https://iiif.quartexcollections.com/ncdcr/iiif/2c8d99c8-94a9-4d71-9ea2-9218ce14ae66/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ee4d419c-6640-4c81-a46b-1b0899838793",
    "thumbnailNavigationPosition": "far-bottom"
  }
}