Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71155",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6c3a10ea-cd7b-4a6d-a553-689b22cec2dc",
      "cw-ab3798d1-5df7-4cb7-bc57-6d451a5661a5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a453e1d8-458f-42ed-bcfb-ed01c3c8992b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71155",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ab3798d1-5df7-4cb7-bc57-6d451a5661a5"
  }
}