Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/imb/iiif/8069a7a6-1637-4a5b-9a20-057606f5cd46/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2ae332aa-25d0-4300-a5ce-d10f90ebf620",
      "cw-c13559a6-4170-4c70-a59e-3c6892ac238d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-51d14ce3-54aa-43bc-acb6-bb11e1e55296",
    "manifestId": "https://iiif.quartexcollections.com/imb/iiif/8069a7a6-1637-4a5b-9a20-057606f5cd46/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c13559a6-4170-4c70-a59e-3c6892ac238d",
    "thumbnailNavigationPosition": "far-bottom"
  }
}