Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/34778",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3c7c3917-8c5d-4a98-83a1-f7d657a7c593",
      "cw-e69362d8-f5ae-4dcb-a72b-634763c5a038"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f98bc530-b664-41ea-a18d-a263177751aa",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/34778",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e69362d8-f5ae-4dcb-a72b-634763c5a038"
  }
}