Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/896403",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-45731497-7828-411d-8695-b7928cc2477f",
      "cw-77ac10be-1779-4225-ab5b-18df3974eea3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e5f69149-7e46-4d16-a92d-45dd7281ac44",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/896403",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-77ac10be-1779-4225-ab5b-18df3974eea3"
  }
}