Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4403255",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-90eedb03-cf30-4dc1-9375-a56beba70adf",
      "cw-7c3109c5-f4c5-4b4a-a543-b25aa3caeb52"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-03ee003c-d3f4-4bf7-8a2a-5f1ba9569e73",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4403255",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7c3109c5-f4c5-4b4a-a543-b25aa3caeb52"
  }
}