Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6857690",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b6fc9f99-bb3b-4a30-93fd-a15ff0d2cc8e",
      "cw-d9a9c741-ac3a-4fc2-8c72-368944003f46"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fadd842d-061e-4116-913f-115f01cc7d34",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6857690",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d9a9c741-ac3a-4fc2-8c72-368944003f46"
  }
}