Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/1900996",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2b95f4d6-4104-4e46-aab9-06b72e4478e8",
      "cw-0561cc0a-7391-4fdb-a956-210132e0cf9b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-95663859-eba2-40d5-aa1c-a6e9392024c1",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/1900996",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0561cc0a-7391-4fdb-a956-210132e0cf9b"
  }
}