Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/93dfdab9-401d-437a-a62f-aa2bb05e5f89/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ade024a3-8cb3-4352-92e3-0f92d0b1c7cf",
      "cw-13bc89b9-2bb8-43a4-8514-993f8233fd71"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d93de0c3-8cea-4217-8c68-891e80ad769f",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/93dfdab9-401d-437a-a62f-aa2bb05e5f89/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-13bc89b9-2bb8-43a4-8514-993f8233fd71",
    "thumbnailNavigationPosition": "far-bottom"
  }
}