Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81444",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-65674fcf-e46b-4e30-b165-695f30160a18",
      "cw-6ae6560e-6d4c-4b07-8357-0b5ccb1dead1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a0213bba-22bd-4134-8791-5c31c49e19f7",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81444",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6ae6560e-6d4c-4b07-8357-0b5ccb1dead1"
  }
}