Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/11856954",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f9296dd9-a980-4b78-a8bc-4b2bb7bced3a",
      "cw-123f7fbf-471b-4ca6-b55f-ebf332edf137"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ddf1ceb8-88fc-46c9-8e7c-45cd95af9e98",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/11856954",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-123f7fbf-471b-4ca6-b55f-ebf332edf137"
  }
}