Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/ncdcr/iiif/b6b62056-5d18-4d51-bac0-2dc390efd46f/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1d90ebe0-7c10-42f0-ad95-dba9c4be7f27",
      "cw-550c3d4d-aa00-4f9d-8693-5bdb151acbd8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-077b706e-f9d7-4148-b3e8-71c9b5a09bf1",
    "manifestId": "https://iiif.quartexcollections.com/ncdcr/iiif/b6b62056-5d18-4d51-bac0-2dc390efd46f/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-550c3d4d-aa00-4f9d-8693-5bdb151acbd8",
    "thumbnailNavigationPosition": "far-bottom"
  }
}