Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2833942/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2833942/canvas/BR0000006699987.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-223ee354-5d70-414d-924b-3176fc2b9cfa",
      "cw-7754d30d-33eb-484f-859a-66bcdf8b21fa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-7ac39bd5-11c3-4b06-a467-4907beb7bd09",
    "manifestId": "https://zenodo.org/api/iiif/record:2833942/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7754d30d-33eb-484f-859a-66bcdf8b21fa",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}