Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/67576",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-acc28500-4246-4c08-af6b-29a223b881d1",
      "cw-4bcc88ed-80f0-4224-b33c-4a568b11913c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c65f1575-62cc-4bc2-b017-52f8fd0dd497",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/67576",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4bcc88ed-80f0-4224-b33c-4a568b11913c"
  }
}