Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4469889",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2d46e6f4-1ad8-4870-a3be-347254183e7d",
      "cw-69b79159-20bc-401c-9dda-42d00da53c94"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0252e5bf-7587-42ba-809a-fa64d9cf282c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4469889",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-69b79159-20bc-401c-9dda-42d00da53c94"
  }
}