Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/14731",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-38388103-bdf8-4b3b-ba47-af19d3092a34",
      "cw-5a214685-1f9b-48b6-967d-2fa78f06923a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8e3427e4-5848-492e-8b0f-9586ffcf69dd",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/14731",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5a214685-1f9b-48b6-967d-2fa78f06923a"
  }
}