Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4096239",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-efce59ac-6da4-4b3f-a8ca-e895c32d8d5a",
      "cw-53519dd3-cd08-47f7-8d48-40349b54133c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6df96731-5274-4c0b-8108-926bae9ad764",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4096239",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-53519dd3-cd08-47f7-8d48-40349b54133c"
  }
}