Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70912",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0745dde8-2bfd-4716-872d-d9fbeceb45ca",
      "cw-48666d4a-f98f-44d2-91c3-fc0c02f303ba"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-17362976-3786-44d8-a1dd-dd3addbc5507",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70912",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-48666d4a-f98f-44d2-91c3-fc0c02f303ba"
  }
}