Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/80802",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d7947b9e-f0e7-4141-a571-02faec59d381",
      "cw-3cd87111-0d60-4eb9-aff4-a6095fc27421"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cea7559e-e86e-4d15-975d-d09188ab72a3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/80802",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3cd87111-0d60-4eb9-aff4-a6095fc27421"
  }
}