Mirador viewer

TypeError: Failed to fetch
{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://sandbox.zenodo.org/api/iiif/record:195478/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://sandbox.zenodo.org/api/iiif/record:195478/canvas/Valor%20Plumbing.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2dbc9372-ca66-40d5-ba96-7a9615467145",
      "cw-84243db2-79f1-40d6-868a-ef9da575cd3a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-736d4814-aa86-4140-a60f-5f9ac1567741",
    "manifestId": "https://sandbox.zenodo.org/api/iiif/record:195478/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-84243db2-79f1-40d6-868a-ef9da575cd3a",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}
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