Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/65140",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a3799a2e-c88d-42a8-bd00-85a676dcd96b",
      "cw-53690f1b-991b-4e1d-ba0a-2bfee11713c8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9f9dcec1-0d25-4f4d-a251-5ee47e2348ce",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/65140",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-53690f1b-991b-4e1d-ba0a-2bfee11713c8"
  }
}