Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3421675",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-09e335bb-4785-4556-baaf-951fe71d1b2b",
      "cw-b5896992-f9a8-470c-9769-2ea27ba34f05"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1f514d8f-fbe1-45e9-bd4e-5d2946a86e5d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3421675",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b5896992-f9a8-470c-9769-2ea27ba34f05"
  }
}