Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/156428",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7b640540-62ea-4ce4-aa8a-e61d6d78f6b2",
      "cw-f3e3201e-111e-4483-80dc-a1215e49211e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cb4bcbbd-c535-4b4e-9286-e39c97cff48d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/156428",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f3e3201e-111e-4483-80dc-a1215e49211e"
  }
}