Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4753996",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fcc9b4e3-5078-49d4-b1c2-6b44eae41a57",
      "cw-b8707faa-69f7-4593-a4f5-430af6118617"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-275cb9a8-1ca4-451d-9424-56062ab017d1",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4753996",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b8707faa-69f7-4593-a4f5-430af6118617"
  }
}