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_11.tif",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8f74e28c-41c8-4495-8342-d01b7b74a7f2",
      "cw-4193588d-ce01-493b-9180-33bd44e83f3a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-9412e180-378b-4267-8f23-420280361f71",
    "manifestId": "https://zenodo.org/api/iiif/record:18620/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4193588d-ce01-493b-9180-33bd44e83f3a",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}