Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4798830",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-84584de3-b170-478b-bf42-9c0a4647fa33",
      "cw-859499c2-f68f-41aa-8e67-07ec4e590a89"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-081c0491-993f-46b5-a320-8d926696db67",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4798830",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-859499c2-f68f-41aa-8e67-07ec4e590a89"
  }
}