Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/1570991",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-96d8b5b4-9881-4ae8-a6a4-c1b301eaa190",
      "cw-83921c6b-7d1f-4431-b6f8-cd9c107e3902"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-629aaa16-bc89-4dc2-9ba2-f13f13ab551e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/1570991",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-83921c6b-7d1f-4431-b6f8-cd9c107e3902"
  }
}