Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/67b691ca-a76a-46dd-98c5-3f850de748ff/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-39b2b434-6f80-498b-b558-9bc458b2e50e",
      "cw-73fafe92-90da-4ba4-874d-238eb06cae3d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f31e4daa-9662-4f71-94d9-8fe3b38794ac",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/67b691ca-a76a-46dd-98c5-3f850de748ff/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-73fafe92-90da-4ba4-874d-238eb06cae3d",
    "thumbnailNavigationPosition": "far-bottom"
  }
}