Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/578793",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e5e995d6-a6d3-4e4b-86e9-a7d36ee9d390",
      "cw-8d25fefb-13bd-452a-a56c-891fa40d7c46"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-79c66e80-ccbb-42e2-bbd1-0aea7f6e8eda",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/578793",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8d25fefb-13bd-452a-a56c-891fa40d7c46"
  }
}