Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/578878",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-46541127-a838-4d2a-a2ab-80713841ddf0",
      "cw-6304513d-1840-487b-9a70-0c17cec0765b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4ff23030-add5-4e0a-8c84-6a68ef4c095b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/578878",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6304513d-1840-487b-9a70-0c17cec0765b"
  }
}