Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2802948/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2802948/canvas/BR0000012433971.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-98f36ee8-ff63-4745-8070-c29c67104faa",
      "cw-1c1f2e27-4618-44b6-99a1-4ce5ced8890e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-29d737c9-e3a5-4982-99af-827d10fe6f78",
    "manifestId": "https://zenodo.org/api/iiif/record:2802948/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1c1f2e27-4618-44b6-99a1-4ce5ced8890e",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}