Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/4422",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bf5a40ad-087b-4331-a15b-74a4328e0c4c",
      "cw-340d7374-d659-4fcc-8e80-806a09c1c5b4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c4f84264-dc17-4e5a-a6da-4963cd3ff297",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/4422",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-340d7374-d659-4fcc-8e80-806a09c1c5b4"
  }
}
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