Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/47620",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b67db5a1-97ef-46ef-89e5-e5c9af1e9c07",
      "cw-cd9a8fad-7807-41d3-823f-49df9c410e4e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-03676b57-5583-42a0-9c48-ecb8c56c4645",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/47620",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cd9a8fad-7807-41d3-823f-49df9c410e4e"
  }
}