Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/129096",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8e1e4bdd-b7e6-4cde-bae9-da32c8b304d9",
      "cw-380f0e0a-e1e0-45eb-915d-c8a4066baea6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c1b894bb-30de-4b01-bdfc-f646e7a7f44e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/129096",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-380f0e0a-e1e0-45eb-915d-c8a4066baea6"
  }
}