Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4063250",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-77aec7b2-0086-4442-befe-51796aa0d87b",
      "cw-88eff6b6-ab97-4376-924d-01cc1a89ff12"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-21d8b2d8-97af-4b24-a149-96088d971fd5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4063250",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-88eff6b6-ab97-4376-924d-01cc1a89ff12"
  }
}