Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/68982fdc-0f5d-4dd0-a822-137c230ab336/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ee48eddd-6829-40fa-8756-7018cd00a2ad",
      "cw-fa3d2843-8f2c-4ac4-b801-7e183ba6e15f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-08ac6a3f-9ba7-4e05-9cf5-d2a4739d7430",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/68982fdc-0f5d-4dd0-a822-137c230ab336/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fa3d2843-8f2c-4ac4-b801-7e183ba6e15f",
    "thumbnailNavigationPosition": "far-bottom"
  }
}