Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71342",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bfa942d0-dcda-454b-a7d8-1909dcb2e9c2",
      "cw-9aac172a-1097-405c-b3fe-687e70549e8a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ea1be5dc-76b0-4c10-b9c4-8da019d6eed6",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71342",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9aac172a-1097-405c-b3fe-687e70549e8a"
  }
}