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/figSYmaxSimple.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-887add54-488e-4237-a880-522bc107226f",
      "cw-97c7ef8b-7aba-4e70-8e4c-2a86d3737a3f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-3b62e6bc-a286-430f-9c52-b33968bdfe18",
    "manifestId": "https://zenodo.org/api/iiif/record:3778119/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-97c7ef8b-7aba-4e70-8e4c-2a86d3737a3f",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}