Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/ncdcr/iiif/6d4e15d0-5cff-446c-a9d1-942e81aa37ee/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-539edf2e-7193-483d-8a8a-7132f9795eb5",
      "cw-826ee4ab-e720-43ce-b447-f63e107095bb"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-866a5b92-95c6-423e-9489-fed013cf5e0d",
    "manifestId": "https://iiif.quartexcollections.com/ncdcr/iiif/6d4e15d0-5cff-446c-a9d1-942e81aa37ee/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-826ee4ab-e720-43ce-b447-f63e107095bb",
    "thumbnailNavigationPosition": "far-bottom"
  }
}