Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/9095f486-1232-4df4-a02c-27e6ac145567/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4c9fa18c-df40-49f0-ad93-84c25bdc13d6",
      "cw-d92cf033-0cd4-4403-9091-8b675638cef6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-698980c0-39f4-4123-82e6-ca5f3a88d327",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/9095f486-1232-4df4-a02c-27e6ac145567/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d92cf033-0cd4-4403-9091-8b675638cef6",
    "thumbnailNavigationPosition": "far-bottom"
  }
}