Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4186803",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2b16c2d1-eccc-4537-926c-a930c4fa3bf1",
      "cw-973cc2d5-bb97-4c0f-ab34-862c95e68494"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-46300acf-6c99-447d-8064-b8c79731bed6",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4186803",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-973cc2d5-bb97-4c0f-ab34-862c95e68494"
  }
}