Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/13212111",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e04f148c-f447-411f-b790-298b02e8e5ba",
      "cw-3e6b91c0-568e-42db-97d3-a6628f7c1ec6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e4b48364-bcdf-40a3-a085-224b20d674a6",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/13212111",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3e6b91c0-568e-42db-97d3-a6628f7c1ec6"
  }
}