Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/53333",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5208dfda-5590-4bfc-b304-dab32b17982b",
      "cw-976c0913-44dc-43ed-8ac6-ba53e0a3adb9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-50961bfd-2ee6-4937-a62f-0b337643f309",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/53333",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-976c0913-44dc-43ed-8ac6-ba53e0a3adb9"
  }
}