Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:18620/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:18620/canvas/anthrome_62.tif",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4a0c0d4a-06a9-43d5-8bd1-91692131fe79",
      "cw-c24b8106-162e-4407-b8d6-f769cafa2c4d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-aba18bf3-d957-4ef7-ab87-4dc5a594d713",
    "manifestId": "https://zenodo.org/api/iiif/record:18620/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c24b8106-162e-4407-b8d6-f769cafa2c4d",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}