Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/578635",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-64ccd5b8-f318-4d7b-9696-b0f16a55e14c",
      "cw-0f0cb44b-fde2-4007-ad7b-cd5e29cd4359"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7905d603-4cec-40af-b224-b29e75e411dd",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/578635",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0f0cb44b-fde2-4007-ad7b-cd5e29cd4359"
  }
}