Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4426869",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-49055e48-edb7-48b0-a6a6-5061fb3c1180",
      "cw-ae2ce5cc-6a16-4bd8-b52d-e0a0a9c70c5c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-19dc5d6f-e21f-4f90-b859-930c06c5e4e3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4426869",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ae2ce5cc-6a16-4bd8-b52d-e0a0a9c70c5c"
  }
}