Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/73142",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7783aca1-4ee4-4b40-ac0d-ba2538803151",
      "cw-26412f19-87fd-45d8-ad16-4ead643ce72c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7af909d8-7c52-4568-921f-e43c3c6bedb3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/73142",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-26412f19-87fd-45d8-ad16-4ead643ce72c"
  }
}