Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/b112d762-3fe7-4328-894f-70cb6e3870d7/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a9915647-4a46-485c-83ac-a1620c3cf130",
      "cw-dcb127aa-d6ce-4767-88d1-4db844230d85"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-71b79168-6f38-40e3-8b47-d1d646d52c33",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/b112d762-3fe7-4328-894f-70cb6e3870d7/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dcb127aa-d6ce-4767-88d1-4db844230d85",
    "thumbnailNavigationPosition": "far-bottom"
  }
}