Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/ncdcr/iiif/15c315bd-e3c6-42a0-8176-24b33202ee7b/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-44a7f8ab-128c-40f9-82e8-749f238b94b3",
      "cw-f7816562-d9dc-47e5-92f4-3363e4f00806"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-074b201c-6a82-4e11-b152-ca3c70c5e512",
    "manifestId": "https://iiif.quartexcollections.com/ncdcr/iiif/15c315bd-e3c6-42a0-8176-24b33202ee7b/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f7816562-d9dc-47e5-92f4-3363e4f00806",
    "thumbnailNavigationPosition": "far-bottom"
  }
}