Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/desplaines/iiif/5b65e64f-7964-44df-9912-bfa8ac3ac605/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-394a69e4-49e5-4bb3-bfb3-373d4d2964e0",
      "cw-6924dbbc-78af-4990-ae91-837548de0678"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-503634e2-c57b-41c7-a354-d36979950de6",
    "manifestId": "https://iiif.quartexcollections.com/desplaines/iiif/5b65e64f-7964-44df-9912-bfa8ac3ac605/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6924dbbc-78af-4990-ae91-837548de0678",
    "thumbnailNavigationPosition": "far-bottom"
  }
}