Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/80300",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3ba7deef-f433-43e2-8efa-2ec057b10d33",
      "cw-78e8edc3-6211-4677-9e29-70d0dd37661d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b2750c48-5858-44b1-a1ba-2ebf949f3e5b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/80300",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-78e8edc3-6211-4677-9e29-70d0dd37661d"
  }
}