Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81450",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fae58b70-549a-4ce4-8a13-0426dc2d9932",
      "cw-e11bd8ed-c34e-4bac-add4-af2588cdcfbb"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d29d450b-73cc-4fb8-82d7-b27337e16186",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81450",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e11bd8ed-c34e-4bac-add4-af2588cdcfbb"
  }
}