Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2980548/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2980548/canvas/BR0000011979883.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2bd4b0ea-0c9b-4e72-ae3f-56c18183d727",
      "cw-5d9d2a38-15fd-4c33-89af-bed4f86210e6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-86d2560a-4967-4cff-97e6-7a51f8958727",
    "manifestId": "https://zenodo.org/api/iiif/record:2980548/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5d9d2a38-15fd-4c33-89af-bed4f86210e6",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}