Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/49736",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7736d03d-99bb-4ca1-9fd9-a4f6d4162111",
      "cw-19d6afbc-fbe8-4136-b7eb-e7d847771406"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-53e02b23-3399-4fa8-a002-25982c504d08",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/49736",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-19d6afbc-fbe8-4136-b7eb-e7d847771406"
  }
}