Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:961215/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:961215/canvas/big_36832.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bda245a7-c36f-4acd-9c95-b618fef4d6a0",
      "cw-4e5ebb47-9141-4f52-ab70-f04e0f0d4504"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-2a04b0bd-e22d-424e-8513-75efafbabc91",
    "manifestId": "https://zenodo.org/api/iiif/record:961215/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4e5ebb47-9141-4f52-ab70-f04e0f0d4504",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}