Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/imb/iiif/fbee6517-4f58-4609-a963-c0b2f94902d0/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-30f21407-7fe5-4965-9713-97ec677f92c8",
      "cw-df29c19c-dd47-45ac-9bd8-a2ebb0a6fd1d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e8b7e701-cbff-455a-b70e-530eed35308b",
    "manifestId": "https://iiif.quartexcollections.com/imb/iiif/fbee6517-4f58-4609-a963-c0b2f94902d0/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-df29c19c-dd47-45ac-9bd8-a2ebb0a6fd1d",
    "thumbnailNavigationPosition": "far-bottom"
  }
}