Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12572885",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4494609a-37d6-4a3b-9c3a-5ab3f5ce4d6c",
      "cw-b793646d-2cca-4759-8708-aa0267deea13"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b2ce0a6f-10d3-4de1-be09-876810426757",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12572885",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b793646d-2cca-4759-8708-aa0267deea13"
  }
}