Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/39367",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7830ab4b-73f7-40f4-8c2c-6af819c309e1",
      "cw-a2a674b0-c481-46de-8787-0a8a770c270d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-24581cbc-cc23-49e5-b8e0-a2e0ba4cab9e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/39367",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a2a674b0-c481-46de-8787-0a8a770c270d"
  }
}