Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/49255",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1186475f-4914-455b-bb85-4c2d4f2bd360",
      "cw-b46cdbae-758d-44c2-8e2e-5e8d66b2a714"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-48ea5320-3aec-4526-810a-6013d03f705b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/49255",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b46cdbae-758d-44c2-8e2e-5e8d66b2a714"
  }
}