Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12904266",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c2ef9dd6-ad46-40f4-a1ad-158d24ecbc58",
      "cw-e4a51454-1f1e-46f4-816a-ff83d17faed0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e5e0843a-eb44-4cc3-bb07-34d0ca138d1f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12904266",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e4a51454-1f1e-46f4-816a-ff83d17faed0"
  }
}