Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/7987377",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bd8faad6-1bcd-4ee5-b8e5-1d1a1a51fd82",
      "cw-2d777956-1f4a-4990-8224-8bd50c91e504"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-aa70deb6-0726-41df-a0d3-2eb8c516a3ee",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/7987377",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2d777956-1f4a-4990-8224-8bd50c91e504"
  }
}