Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81197",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-981da1a9-8a7e-4a0f-8e77-bec31fcd6bb6",
      "cw-8f40c10c-f9e5-469b-b117-369564915076"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-982eb10c-5cd7-4408-9a31-5c96f0fad163",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81197",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8f40c10c-f9e5-469b-b117-369564915076"
  }
}