Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/f90d53aa-a655-4dc4-afba-b8dd82b79155/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d12eb8bb-e5d0-4a9a-9723-3a9bc9421394",
      "cw-88d551d0-e82a-49c8-8cfb-2b8b82dacf97"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3c06644f-b895-4480-bcd1-c61719a12cde",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/f90d53aa-a655-4dc4-afba-b8dd82b79155/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-88d551d0-e82a-49c8-8cfb-2b8b82dacf97",
    "thumbnailNavigationPosition": "far-bottom"
  }
}