Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/80879",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-58ede533-aed3-4de6-a4fa-3ebb0cfc17f4",
      "cw-75fbd235-a8af-4686-84da-6ac31e81a49b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0f3e2be8-1b16-4401-851e-7973013e9bbc",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/80879",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-75fbd235-a8af-4686-84da-6ac31e81a49b"
  }
}