Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4259859",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ada6b0ab-7671-4213-b6b8-d29e3d621d5c",
      "cw-6c93ed54-31d5-4f28-96fe-0661704e1ddd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ff2ae8e0-2134-4a0f-bed0-9ef7a60af37c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4259859",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6c93ed54-31d5-4f28-96fe-0661704e1ddd"
  }
}