Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/29152",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bff80407-1743-47ed-a8c5-50221a85bfeb",
      "cw-2d464434-a173-4e78-b422-eb72c455481a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-527c3715-ee58-4197-8660-776ca6a594b0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/29152",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2d464434-a173-4e78-b422-eb72c455481a"
  }
}