Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/25800",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5af57e71-3784-404d-b859-5a9f999fe369",
      "cw-a40ff41f-bbbe-4441-b54e-c453dc5249c3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-642df5d7-60d5-4e30-9f39-6650006e1aba",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/25800",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a40ff41f-bbbe-4441-b54e-c453dc5249c3"
  }
}