Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71139",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8b77481d-0207-4b31-aa67-f662a39fb6f5",
      "cw-dc95a5b4-8d8c-4819-8ae3-8bca1da285ef"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-254c36b4-afd8-42ed-a310-da1a21fcd308",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71139",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dc95a5b4-8d8c-4819-8ae3-8bca1da285ef"
  }
}
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