Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/dc1dade8-c763-47b7-969d-70fe78a56064/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-494c5e7a-4c83-4c77-a3ad-4c17928dc9b7",
      "cw-98002677-df51-4564-86c5-1e897e68b931"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-75932ca2-2e7f-4b20-859d-d7712f554b0c",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/dc1dade8-c763-47b7-969d-70fe78a56064/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-98002677-df51-4564-86c5-1e897e68b931",
    "thumbnailNavigationPosition": "far-bottom"
  }
}