Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/34857",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-51bd7216-8588-41a9-9d64-8c0633ad1320",
      "cw-2414e36a-a145-4943-980d-c37662898d1d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c6ebbd2c-8b8e-4f1f-932a-e47432ff8c1b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/34857",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2414e36a-a145-4943-980d-c37662898d1d"
  }
}