Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/39264",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a0acea0a-df3a-4dba-aafa-2a9ef89811ae",
      "cw-131e02ad-8d96-4366-83e3-c5f5a8435050"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7a918d69-1a54-4f50-bd56-f27c1ca2a297",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/39264",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-131e02ad-8d96-4366-83e3-c5f5a8435050"
  }
}