Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/82215",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-00ded4e8-b086-4ae1-8e30-0a6b81edf743",
      "cw-acbb35da-f2e2-462c-87ce-5042214ece36"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b04cb7a6-0923-483f-9866-73814ac3618f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/82215",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-acbb35da-f2e2-462c-87ce-5042214ece36"
  }
}