Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/209216",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9ae719ff-278c-4aad-b8a8-137ab3be717f",
      "cw-45acdd3e-d2d7-4838-ae7e-b0682ed20cd7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c08ecdd5-0a90-495d-8472-8f1973f8f810",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/209216",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-45acdd3e-d2d7-4838-ae7e-b0682ed20cd7"
  }
}