Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/54994",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7d60e183-0c4d-4536-be1c-6e0ed691c034",
      "cw-aa46cb93-ed35-472b-a3a9-88821088d5c4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f87fa335-e402-42c0-949f-e5d0a10ee518",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/54994",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-aa46cb93-ed35-472b-a3a9-88821088d5c4"
  }
}
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