Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/579571",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c0fe380e-4643-4769-8bd5-2f25a911a2e5",
      "cw-48718146-6c43-44b1-8ad0-c19581a0f3f7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6a2722a7-7d85-4232-882d-093a6265634b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/579571",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-48718146-6c43-44b1-8ad0-c19581a0f3f7"
  }
}