Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/6387",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-455d075f-b4c3-4f02-890c-5a7edb19de6a",
      "cw-33e2a655-324c-4ca0-9ae4-344cbebb1767"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-34b9aa87-7597-43df-a39d-c912e3aaa92d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/6387",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-33e2a655-324c-4ca0-9ae4-344cbebb1767"
  }
}