Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/c89daf3c-3afa-4d06-a4c8-ba126b86bd91/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e72803c3-a204-467d-8f4e-667d6dcfb238",
      "cw-368d6a3c-22ed-4898-b0e3-6d47c2e410d7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-de59c0cb-ef14-46d1-9215-33064b8d8d52",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/c89daf3c-3afa-4d06-a4c8-ba126b86bd91/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-368d6a3c-22ed-4898-b0e3-6d47c2e410d7",
    "thumbnailNavigationPosition": "far-bottom"
  }
}