Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/62173",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-81b64438-d520-4f67-918b-25ebe3396c62",
      "cw-2c961f5e-9bd5-45e8-9ec2-d39b5b6592b9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a204442e-6c9c-4a14-a600-340c71f367c7",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/62173",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2c961f5e-9bd5-45e8-9ec2-d39b5b6592b9"
  }
}