Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12750761",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2a66be52-2236-445d-8fd6-66e906dfd494",
      "cw-6e1387a6-a1ae-48c7-9aa2-7220c66a43e7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fbaeb098-e6b2-466e-88c6-b321cb84d92b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12750761",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6e1387a6-a1ae-48c7-9aa2-7220c66a43e7"
  }
}