Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/2459",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f398498c-af0b-4a43-bfa3-881222f1726f",
      "cw-d865b6cc-9aea-4cea-ad43-c19b3114ee5b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-84b8f348-b8e7-4de4-8202-3dca505115c9",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/2459",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d865b6cc-9aea-4cea-ad43-c19b3114ee5b"
  }
}