Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70891",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-de1ff75c-7263-41a5-bc49-e05aac6ff0c7",
      "cw-7912eebb-a4d8-4e25-8fb6-dd7ede5ff123"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fe83db60-daf1-40ee-86a5-4dc4791bf53d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70891",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7912eebb-a4d8-4e25-8fb6-dd7ede5ff123"
  }
}
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