Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3478321",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-feac4325-84bd-4140-8cb2-c10d58a80087",
      "cw-def31363-68b2-4ef8-b450-4f00efdcddde"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-988eee20-3837-43a6-b1cd-077e0769ed12",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3478321",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-def31363-68b2-4ef8-b450-4f00efdcddde"
  }
}