Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/7535",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5b144718-3f06-4f27-ad86-b301eee23f22",
      "cw-09a4a80e-aab8-4dc0-8db0-2adf6c9675f3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-33774ca0-541f-4e2f-a611-edd75f6261ef",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/7535",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-09a4a80e-aab8-4dc0-8db0-2adf6c9675f3"
  }
}