Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/166021",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-08963e18-fdf2-4dfc-bccf-426376c8b632",
      "cw-1461fdc0-e086-4aee-bbe1-756328f16df0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bee3c864-d404-4491-8e3e-37246ded87a2",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/166021",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1461fdc0-e086-4aee-bbe1-756328f16df0"
  }
}