Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/e3bcb03c-9c45-418d-9519-512974397d0a/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-740d4062-7e83-40b2-8762-290562d8ce39",
      "cw-072fb038-2ef4-4b9e-9e6d-f89844cc4391"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-190cb939-e125-4dcc-aafd-26ba7475fe92",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/e3bcb03c-9c45-418d-9519-512974397d0a/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-072fb038-2ef4-4b9e-9e6d-f89844cc4391",
    "thumbnailNavigationPosition": "far-bottom"
  }
}