Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/imb/iiif/2ae66470-b27e-4db6-b7cf-0ca9e9d988ed/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1db9fa08-b6fa-47fd-8bda-855bccda8e10",
      "cw-b7427b02-6235-4039-8056-9b448f35029b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cd5be822-d7c4-4b80-87b1-2b551a0a1d3a",
    "manifestId": "https://iiif.quartexcollections.com/imb/iiif/2ae66470-b27e-4db6-b7cf-0ca9e9d988ed/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b7427b02-6235-4039-8056-9b448f35029b",
    "thumbnailNavigationPosition": "far-bottom"
  }
}