Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71030",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9bae9a74-d711-41d4-99fb-fc1c9a3c664e",
      "cw-03386e9b-8c83-423c-ba2b-03d534b94f10"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-29666a48-88f5-47c4-bb9f-7786f01e9b4c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71030",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-03386e9b-8c83-423c-ba2b-03d534b94f10"
  }
}