Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/48771",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fc23c254-32db-4f9c-a809-b2b2d0089b04",
      "cw-ca39392f-0aaa-4065-932f-25e3783855cc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a3e40b96-924b-40e7-9502-69f0def665f6",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/48771",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ca39392f-0aaa-4065-932f-25e3783855cc"
  }
}