Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12945465",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cfd8e6ea-638c-4b32-85b8-5944e5a9c808",
      "cw-a2d53ab4-d780-41c6-be9e-1468f4a92de9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-49f47d47-fa09-41fe-979a-9b3daeb4f54a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12945465",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a2d53ab4-d780-41c6-be9e-1468f4a92de9"
  }
}