Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/imb/iiif/c0d67766-8488-4295-b6f3-688448aa4cbf/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5d743389-7572-41a9-9084-81f52fdf9265",
      "cw-b032cc2f-88b5-4ef1-ad96-b46e79d6fbd0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-19fb9d8b-fff0-4f04-a083-bae72a23d84b",
    "manifestId": "https://iiif.quartexcollections.com/imb/iiif/c0d67766-8488-4295-b6f3-688448aa4cbf/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b032cc2f-88b5-4ef1-ad96-b46e79d6fbd0",
    "thumbnailNavigationPosition": "far-bottom"
  }
}