Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/74165",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-dcec0eaa-d706-4a66-abf4-04fded09beb5",
      "cw-3a53bdcb-71f7-4c1a-8750-de36219d1929"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e6d8723c-56d1-4c3f-a7fa-e51bfb2e925d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/74165",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3a53bdcb-71f7-4c1a-8750-de36219d1929"
  }
}