Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4498457",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-41fdd992-e528-449d-adb8-4f1dac8a6b1e",
      "cw-11d5db05-2430-482d-baa0-2af03571fb19"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2ca85563-4681-4efa-93b6-064f7b4870f4",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4498457",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-11d5db05-2430-482d-baa0-2af03571fb19"
  }
}