Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3502920",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d620d4b7-cdb0-4aa7-a699-3bbfc2b6ad63",
      "cw-a8f3915e-416c-4343-96f0-dbd9cfa11bbf"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-30b3b66d-76e5-418e-a0bf-5e7fd395de83",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3502920",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a8f3915e-416c-4343-96f0-dbd9cfa11bbf"
  }
}