Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2622443/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2622443/canvas/big_277617.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-add1de9f-7616-4f17-b07d-3ad26dca67ba",
      "cw-ad752cd8-ca3c-4861-abef-3cf7a7944fab"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-c95e1ac2-4da7-463b-843a-933e768ef52b",
    "manifestId": "https://zenodo.org/api/iiif/record:2622443/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ad752cd8-ca3c-4861-abef-3cf7a7944fab",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}