Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:3143766/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:3143766/canvas/BR0000012291748.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-50a840aa-fe3a-4709-87c9-86c8adfaccc7",
      "cw-62eed163-e53a-4a76-8489-8b7dac5212de"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-a0ea2331-3ebb-4100-9cc5-cb82846511db",
    "manifestId": "https://zenodo.org/api/iiif/record:3143766/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-62eed163-e53a-4a76-8489-8b7dac5212de",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}