Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/d47e63db-042a-4fba-b1b7-e4db45ddb1ad/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b6d580d2-1a0b-4244-ba5f-323f03cde74f",
      "cw-27cdf8c0-2d4d-45a0-aa54-5cf0a865ea18"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ab75bd7b-b59c-450a-93a0-6726584333d2",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/d47e63db-042a-4fba-b1b7-e4db45ddb1ad/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-27cdf8c0-2d4d-45a0-aa54-5cf0a865ea18",
    "thumbnailNavigationPosition": "far-bottom"
  }
}