Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/34451",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-08c5e0f3-d87e-4c84-831a-937f1173e903",
      "cw-b6c2ce84-1615-44c8-8e0d-0b87eadef491"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-85252239-4be0-46e7-b07e-fee9a2aa33bb",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/34451",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b6c2ce84-1615-44c8-8e0d-0b87eadef491"
  }
}