Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4206830",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-60c78d22-e3d1-42d9-b253-2fcbeb3fc905",
      "cw-4fcc09fe-0624-4ad7-92e6-a1cd86b20d7a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c47a13a6-8296-4c30-95e3-2957eec884ce",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4206830",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4fcc09fe-0624-4ad7-92e6-a1cd86b20d7a"
  }
}