Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/75892",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-73d7d3f8-81e2-43c5-aff5-df594ac6817f",
      "cw-89c4def4-a05c-4911-b648-7f53feb54e38"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5741fe07-1572-46c1-8486-35a93ace4da5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/75892",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-89c4def4-a05c-4911-b648-7f53feb54e38"
  }
}