Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/1986711",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2af496ac-aea5-4fb8-8f31-5e762a9d603c",
      "cw-a7b538f9-afbc-4fe6-8707-8f34841dcfb5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f2de1eb8-339f-4d12-b3cc-6dfec3811c9e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/1986711",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a7b538f9-afbc-4fe6-8707-8f34841dcfb5"
  }
}