Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/1273909",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-22d879cd-249f-4925-b6d0-6bbc584580be",
      "cw-551a230f-ecb1-4979-b2c1-699b7849d264"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fad01424-aba4-4329-997c-9217d81b20a4",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/1273909",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-551a230f-ecb1-4979-b2c1-699b7849d264"
  }
}