Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/69297",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-16e7cf02-9a4c-4328-a269-85e159385543",
      "cw-362b4947-cd11-49e6-9f14-3e4b2e987bb0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-61d01135-5c1e-4ab8-8e5d-b8e76287d1bf",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/69297",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-362b4947-cd11-49e6-9f14-3e4b2e987bb0"
  }
}