Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/04956fc0-6e4d-4d73-a41e-37f33b2a1657/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-64cfe082-0cd6-4ce6-a352-2e46297b688b",
      "cw-31ad4c06-c72e-40ce-bd2a-f6d075f89f2e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f2ddd77a-49e8-4ad5-b968-0779d17dc498",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/04956fc0-6e4d-4d73-a41e-37f33b2a1657/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-31ad4c06-c72e-40ce-bd2a-f6d075f89f2e",
    "thumbnailNavigationPosition": "far-bottom"
  }
}