Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12276819",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c07e84f9-fe4f-4890-99c4-c5fb7b03931a",
      "cw-aa47f1d2-7956-487b-a59a-b6faa67fedbc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e0cfecb6-163d-45b5-84ee-e6cc2ae27ea8",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12276819",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-aa47f1d2-7956-487b-a59a-b6faa67fedbc"
  }
}