Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/imb/iiif/a1cb678d-1543-45c9-90d0-58796adeb235/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cd7d5ef4-d66d-45c3-a6b8-c9ab19c8a4b5",
      "cw-dc0c5a9d-4513-4e53-862e-1be1ac5181c7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-733e270d-0e45-4b1b-9373-0c6f485ffc00",
    "manifestId": "https://iiif.quartexcollections.com/imb/iiif/a1cb678d-1543-45c9-90d0-58796adeb235/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dc0c5a9d-4513-4e53-862e-1be1ac5181c7",
    "thumbnailNavigationPosition": "far-bottom"
  }
}