Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3421301",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-994233bc-0bed-4adb-ac9d-9284489a47ca",
      "cw-110678a2-12c3-4891-a352-11a2a7b70e88"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d9646dcf-712c-4945-bfd4-0da206c2c843",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3421301",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-110678a2-12c3-4891-a352-11a2a7b70e88"
  }
}