Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6215676",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bdaa6c24-514a-4a8d-bf22-cfab38074fb3",
      "cw-a320043d-8177-437b-b8b8-9e2c17f986f8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-115e3350-d18d-4c47-8b14-ffbe28db0d46",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6215676",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a320043d-8177-437b-b8b8-9e2c17f986f8"
  }
}