Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/5269727",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5ffa84d5-d4c9-4eb6-9621-288bf7c70e7d",
      "cw-851df3b8-8811-4804-96e1-95a4ee52c847"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-df894871-dab1-4840-806d-44e6d63d85d9",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/5269727",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-851df3b8-8811-4804-96e1-95a4ee52c847"
  }
}