Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/33766",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9ba41e11-c1e9-454f-8ec6-28f162351cf3",
      "cw-99a61338-8b4c-43d2-8b71-2198c04bbdcb"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3432e5ad-76fa-4ed7-b675-777403bfc545",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/33766",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-99a61338-8b4c-43d2-8b71-2198c04bbdcb"
  }
}