Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/581774",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-26af0c2a-61af-4943-9465-e16fb81e579f",
      "cw-e50fa6a3-86cb-47c5-843d-f01d4e0d9400"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5313f361-0f9c-46e1-9710-c64d3d7ac748",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/581774",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e50fa6a3-86cb-47c5-843d-f01d4e0d9400"
  }
}