Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/2543",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1ecd72bc-ec2f-4cd8-afc8-fc0389fe2046",
      "cw-decaed0f-f365-4ce9-b4d4-e9f76ffa10c4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-dc3050af-5234-4b85-a0b4-58404d0b5809",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/2543",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-decaed0f-f365-4ce9-b4d4-e9f76ffa10c4"
  }
}