Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/ncdcr/iiif/6efb1ef6-6790-45b2-b2a2-b757a8c2f9ee/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e938391d-b4dd-4d36-b78d-0545f0d09512",
      "cw-29453a19-11c4-4606-8446-d130cf4146d2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-339f0bf3-96e8-4b29-a3cc-2ba055816f0f",
    "manifestId": "https://iiif.quartexcollections.com/ncdcr/iiif/6efb1ef6-6790-45b2-b2a2-b757a8c2f9ee/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-29453a19-11c4-4606-8446-d130cf4146d2",
    "thumbnailNavigationPosition": "far-bottom"
  }
}