Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6951828",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-436d9b23-a154-40ba-8b61-0fb7ed44527e",
      "cw-862ec62f-137f-4777-8074-09516b563448"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-986f9be0-cdec-4a9c-9719-add03665c811",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6951828",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-862ec62f-137f-4777-8074-09516b563448"
  }
}