Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/53327",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3623fc0f-a5cc-4a66-bd7a-8c43b2a8e0a3",
      "cw-8c1a1789-01c6-4178-9bd2-46a15f35aba5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ad3ca212-fc70-43cc-9d92-197e1cb78e60",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/53327",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8c1a1789-01c6-4178-9bd2-46a15f35aba5"
  }
}