Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/25851",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1d29924a-644d-4751-a90e-972f6b0144b3",
      "cw-c5c884d2-bea8-4d0e-8af5-f7aaac1c2422"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-508511b7-6780-4f59-8efe-6ad388c9be56",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/25851",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c5c884d2-bea8-4d0e-8af5-f7aaac1c2422"
  }
}