Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/19471",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c2f67e32-ce41-4290-a05f-f4a03e1d2378",
      "cw-9defd6a9-d10d-47d4-8737-61789bb6a95c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cb477d81-bc78-4fc8-8b81-135ba659603e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/19471",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9defd6a9-d10d-47d4-8737-61789bb6a95c"
  }
}