Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/7692be2f-c4b5-4799-9ae3-7453db443b79/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-db527b14-97b7-483a-ba16-9b294d217cf9",
      "cw-0be4f706-9834-4f9c-a7fc-6889deeeec5a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c4b64a27-1536-460d-aeb6-a96af1ff517d",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/7692be2f-c4b5-4799-9ae3-7453db443b79/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0be4f706-9834-4f9c-a7fc-6889deeeec5a",
    "thumbnailNavigationPosition": "far-bottom"
  }
}