Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/64815",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2b8284bf-4f70-4084-b297-7db236678972",
      "cw-8f0cb63e-8894-4c49-a02c-1420664622dc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cc96f528-5924-4f54-832c-9ae310da766a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/64815",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8f0cb63e-8894-4c49-a02c-1420664622dc"
  }
}