Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/84004",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cab017cd-3459-4884-9e29-f38c7155dbe9",
      "cw-77553698-9c6d-4501-a5be-95f926a4dda5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e2ab9a43-0b65-47b2-8796-301413e630ba",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/84004",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-77553698-9c6d-4501-a5be-95f926a4dda5"
  }
}