Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12768616",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7afa6428-fd5f-4ba9-9119-b1a4e83987ea",
      "cw-cf7d6be0-79df-422c-b471-6a2c14109191"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-04f826ad-c7d8-4828-81ce-7c7f00722340",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12768616",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cf7d6be0-79df-422c-b471-6a2c14109191"
  }
}