Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/56806",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-286d670c-2ac9-4fc4-b691-9238f0ea4e16",
      "cw-7202eed6-ee00-4d50-8dd8-37c80c49e748"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1e1b2c52-c179-4a8f-836f-348b66395319",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/56806",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7202eed6-ee00-4d50-8dd8-37c80c49e748"
  }
}
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