Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12634041",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-338b9acd-95eb-414d-89da-56ce4088e9ab",
      "cw-c7816a15-98b0-41d3-99b8-60ca853ed1fa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3fceff4a-3e07-47d3-8608-d5fe86efdddd",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12634041",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c7816a15-98b0-41d3-99b8-60ca853ed1fa"
  }
}