Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/ncdcr/iiif/d6128333-1691-4d81-8165-2a97118a6f3e/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-82a02177-0464-4794-8af0-b9a085877a14",
      "cw-93a2c8fd-ec04-42f0-a90a-7bd31e207f55"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cfa18979-6f95-4839-9755-fa7b038408f4",
    "manifestId": "https://iiif.quartexcollections.com/ncdcr/iiif/d6128333-1691-4d81-8165-2a97118a6f3e/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-93a2c8fd-ec04-42f0-a90a-7bd31e207f55",
    "thumbnailNavigationPosition": "far-bottom"
  }
}