Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:978235/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:978235/canvas/big_88352.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-edfdfd2f-a266-44e3-b940-9122fa8adc06",
      "cw-7434a75a-d42a-4bd5-a841-250c020008e0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-f892f317-fc0a-44a2-843e-65973687bc80",
    "manifestId": "https://zenodo.org/api/iiif/record:978235/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7434a75a-d42a-4bd5-a841-250c020008e0",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}