Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70373",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-59704c89-6211-4fb7-8dcf-447b56c6e970",
      "cw-7c088c12-1764-404c-89cc-caed4d225d75"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ca197ac7-03ca-4bc2-b374-06da77c0e726",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70373",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7c088c12-1764-404c-89cc-caed4d225d75"
  }
}