Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4377965",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d5d106bc-5d06-4775-9cf5-57c9fb301ac9",
      "cw-2c96767d-f940-4196-be89-74934b9ab643"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9f3802a0-056c-4e57-9904-aaaaff5492b1",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4377965",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2c96767d-f940-4196-be89-74934b9ab643"
  }
}