Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68306",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7a6b63c0-4571-49c1-b3f3-3a8482dc9064",
      "cw-5290d50e-894b-4b3d-a327-775e3a5a8f4a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a8f65f7d-1add-4b5e-85d3-d55e6114f7ee",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68306",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5290d50e-894b-4b3d-a327-775e3a5a8f4a"
  }
}
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