Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12983808",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4cd58566-7d61-475a-976d-78626e5d9084",
      "cw-a8104ad6-53cd-4092-b206-eb8e361b98e2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5d2d0051-3276-476f-bc8e-aa602c1a190a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12983808",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a8104ad6-53cd-4092-b206-eb8e361b98e2"
  }
}