Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4842840",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-00553b43-ba12-476e-ad43-308225439e2c",
      "cw-b7d7c8bb-0391-4b0d-92d5-3df99a50603e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-28f4057b-cee1-4db3-9c7f-c629371d84e5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4842840",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b7d7c8bb-0391-4b0d-92d5-3df99a50603e"
  }
}