Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4673727",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3c52f28a-854d-4e59-8584-127b3aefc316",
      "cw-d946e241-cc46-4be5-be76-6b24f9abe987"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cd4a8169-543d-4b7e-a1b2-4f3319dea298",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4673727",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d946e241-cc46-4be5-be76-6b24f9abe987"
  }
}