Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12513812",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e6f96c29-6291-49bc-94cf-c1833eba07e9",
      "cw-3af13720-5d84-4ea2-b36e-1f6fd7798ce9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-94c2e021-7771-425f-9703-87f92191437d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12513812",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3af13720-5d84-4ea2-b36e-1f6fd7798ce9"
  }
}