Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/9959489",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-562e6fb3-0b35-422f-99ac-98de78a84d77",
      "cw-5915bf57-d946-47a2-b50f-36e3c6581866"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c2ebc0d8-3881-40b1-a820-3be1241c7557",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/9959489",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5915bf57-d946-47a2-b50f-36e3c6581866"
  }
}