Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6216531",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-198f04e6-1a84-4233-99ba-c8ce7f0d3026",
      "cw-eeeb8b42-6cf1-463b-9b40-cad522f2fd25"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4acabb7c-33c6-4ef9-aa16-a366000b84e7",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6216531",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-eeeb8b42-6cf1-463b-9b40-cad522f2fd25"
  }
}