Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/80726",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-289c36d0-1714-411c-8179-bb4edb35bbe0",
      "cw-4d4fca4a-49b7-4b80-aed8-7bb791b9bddd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-88d7aff0-ac2a-4418-acbc-5134d8f5efa2",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/80726",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4d4fca4a-49b7-4b80-aed8-7bb791b9bddd"
  }
}