Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/liverpool/iiif/2707a966-dd5c-4e07-8171-71da4102e2d9/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1b250856-b4a9-4a19-89a5-d881fe74db9b",
      "cw-5e591816-871d-4216-9f32-bc81bc377ae4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-04a6c03c-8f28-4d83-94c8-97395af718d3",
    "manifestId": "https://iiif.quartexcollections.com/liverpool/iiif/2707a966-dd5c-4e07-8171-71da4102e2d9/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5e591816-871d-4216-9f32-bc81bc377ae4",
    "thumbnailNavigationPosition": "far-bottom"
  }
}