Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/49726",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b6a719c6-fbe3-48c7-895d-32d9f2326b2c",
      "cw-78ef7027-8557-46e2-83bd-cac75332cea3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6e869bb6-3917-43c8-aef3-f2a3388e6c5f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/49726",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-78ef7027-8557-46e2-83bd-cac75332cea3"
  }
}
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