Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/617feb7a-ea51-4972-aa22-816caec1079a/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d6cb7e9a-9109-4b73-94de-fecc96b8fff5",
      "cw-cfc7daa5-26c7-4bda-a16f-6ba3b55621a7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ab573e91-6670-4835-b5f6-1b4237165d28",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/617feb7a-ea51-4972-aa22-816caec1079a/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cfc7daa5-26c7-4bda-a16f-6ba3b55621a7",
    "thumbnailNavigationPosition": "far-bottom"
  }
}