Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4255625",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d25d1e6d-8e5c-4b9f-8c5e-9f10938a8580",
      "cw-9138a361-5e35-404a-86fc-804baaf9849f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-db950a69-1592-4bb0-a8ab-7d0b5ad0ddbf",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4255625",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9138a361-5e35-404a-86fc-804baaf9849f"
  }
}