Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/4103",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-04f78086-1fb6-440d-80cf-543167be1d71",
      "cw-7f5028e2-4880-465b-a734-6b0ad6921ead"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2f9b109a-7258-46c5-98ac-ae31f8385549",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/4103",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7f5028e2-4880-465b-a734-6b0ad6921ead"
  }
}