Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4012735",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-054d3825-c2a7-43b1-a7d9-d8ed6d9793c8",
      "cw-72d95502-37e3-4fda-85cc-774cd7c0b711"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ae99c546-d244-4b10-942d-51b997edf7fa",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4012735",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-72d95502-37e3-4fda-85cc-774cd7c0b711"
  }
}
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