Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:937698/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:937698/canvas/oo_20672.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-89bd625e-2b82-4717-a4fb-6be911627d0d",
      "cw-0523c9cf-e26e-44c3-9220-5b44d26a65ea"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-ff53b5e2-3e34-4c28-bf02-d2a8422164b0",
    "manifestId": "https://zenodo.org/api/iiif/record:937698/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0523c9cf-e26e-44c3-9220-5b44d26a65ea",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}