Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/mrspl/iiif/e3b0335c-494e-476c-b509-3f0386acf42f/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d5de7731-2eaa-444d-80b1-10735fb6d910",
      "cw-f9d78c7c-f3d1-40b0-aee7-1f419e7e3c09"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-57a1e499-5c2a-4291-925f-5a24fddeff50",
    "manifestId": "https://iiif.quartexcollections.com/mrspl/iiif/e3b0335c-494e-476c-b509-3f0386acf42f/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f9d78c7c-f3d1-40b0-aee7-1f419e7e3c09",
    "thumbnailNavigationPosition": "far-bottom"
  }
}