Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/e11d5d18-fc37-4a90-aae9-05f238a1a1ac/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1be299d7-1c00-45a6-90f7-48571b155050",
      "cw-1b3dd0cd-50c8-4225-82e6-df88b54655c7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d1ed5cbe-66e5-4bcb-9895-0894c6172580",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/e11d5d18-fc37-4a90-aae9-05f238a1a1ac/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1b3dd0cd-50c8-4225-82e6-df88b54655c7",
    "thumbnailNavigationPosition": "far-bottom"
  }
}