Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/40273",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-891fc96c-48c9-4f0d-89c8-1f569541f55a",
      "cw-8411fd1e-8746-4f87-8704-9235731d122b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1641bf5e-e0d9-4946-addc-2da7a45a6f99",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/40273",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8411fd1e-8746-4f87-8704-9235731d122b"
  }
}
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