Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81394",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-998100fe-e42b-4e46-b74b-18127cd177a5",
      "cw-7ee96e11-41c7-4e24-9e63-1a77de5d4377"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-de9957d0-1bc8-4eb6-866b-d59086985da7",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81394",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7ee96e11-41c7-4e24-9e63-1a77de5d4377"
  }
}