Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/579797",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-64065b98-d1db-4a6d-bdaa-48d6906449de",
      "cw-abb6519e-b3d7-4d9f-9ed3-450dc6476be5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-85a755a0-b4e0-4c72-96d7-78f4a33d2fbc",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/579797",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-abb6519e-b3d7-4d9f-9ed3-450dc6476be5"
  }
}