Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6159743",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a5a4ffb6-d741-485b-b35f-5503f7db1151",
      "cw-e363dff4-77e6-41f9-bd24-2331292a2e43"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1a879e4b-aacc-4758-ab55-d80bd1ca3bde",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6159743",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e363dff4-77e6-41f9-bd24-2331292a2e43"
  }
}