Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/72381",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2675d0ba-e2eb-429b-a3f3-d59b7aa50148",
      "cw-53568fe3-6cda-4c6f-af82-af10b64c22d7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-657efd11-d48d-40b7-b64f-ead4372e8430",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/72381",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-53568fe3-6cda-4c6f-af82-af10b64c22d7"
  }
}