Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/55905",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fdafc490-2eb4-425c-a7fb-6fd1a74449ae",
      "cw-885a7817-48b0-4c3d-bded-e1333bd0e532"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-739767d1-83df-4593-917c-957594b2ca42",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/55905",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-885a7817-48b0-4c3d-bded-e1333bd0e532"
  }
}