Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71064",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1beb8460-8821-4081-a1cd-6772b62558f5",
      "cw-9c629ead-f6e0-4fde-a1b1-a7ba89cffc4b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-67c5247a-a7cd-4095-b67a-db9f37f5b477",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71064",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9c629ead-f6e0-4fde-a1b1-a7ba89cffc4b"
  }
}