Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:3778119/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:3778119/canvas/figSYmaxStrong.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-78f242c0-ffd9-4f70-ad29-733c782c1ac7",
      "cw-dc823d0d-bc36-4d90-9962-c735fcfd4977"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-7ff3b36a-3cd9-4aea-8d34-00eee332eeda",
    "manifestId": "https://zenodo.org/api/iiif/record:3778119/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dc823d0d-bc36-4d90-9962-c735fcfd4977",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}