Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2896326/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2896326/canvas/BR0000011084778.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d1d40458-a0e0-458b-8344-695922de95bf",
      "cw-65101303-0add-4f7e-a714-f40f482134a4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-9fd935f3-abd8-4597-baf9-5863fe84e2d6",
    "manifestId": "https://zenodo.org/api/iiif/record:2896326/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-65101303-0add-4f7e-a714-f40f482134a4",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}