Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6958919",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a3493059-fd25-4cbc-91de-57e41988ad79",
      "cw-3701e32c-68df-4ca1-ae3c-c387759d604d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-09cb195c-6eae-450c-b468-4b61a58ede48",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6958919",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3701e32c-68df-4ca1-ae3c-c387759d604d"
  }
}