Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/764490",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-22e3ceeb-253c-41f7-9421-9b1116d00fcf",
      "cw-db5c7124-e5a4-445e-9f65-1f4706ab559a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-435433e4-48ea-4039-803f-01b93ace289f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/764490",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-db5c7124-e5a4-445e-9f65-1f4706ab559a"
  }
}