Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/167888",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d978e118-3b0b-4cd7-a9f2-c8718664eb8a",
      "cw-7393a1ef-e4c6-4d14-8a2d-e416e479a8e2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c1863f12-a3f8-4305-b06d-05bd5a3f4279",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/167888",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7393a1ef-e4c6-4d14-8a2d-e416e479a8e2"
  }
}