Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/72156",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4eec3a6b-5bee-4dc0-9ed3-de12f2189e5e",
      "cw-b71da6f7-c18a-479c-ad3a-de933993d33d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f24a0fdf-501d-47ba-905d-64eebbca2c03",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/72156",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b71da6f7-c18a-479c-ad3a-de933993d33d"
  }
}