Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/99875",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5c593a32-9bc4-49fb-9f11-81932e0431e0",
      "cw-24770c17-1411-43dc-a011-2aa51404b66a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c22960df-0c87-43ca-90b8-1fe3b8e053d8",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/99875",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-24770c17-1411-43dc-a011-2aa51404b66a"
  }
}