Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2740248/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2740248/canvas/BR0000011854456.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-820f9c53-f9fe-4b68-980d-aa7e67de9605",
      "cw-495af79e-d02d-43fa-96cd-ea32702673ca"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-dd9f9440-f3a9-422b-9eae-eaf8cfaa8f4b",
    "manifestId": "https://zenodo.org/api/iiif/record:2740248/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-495af79e-d02d-43fa-96cd-ea32702673ca",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}