Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/19466",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f21a0969-34c6-4d05-b05b-7c691dd4c1a2",
      "cw-243e2121-b782-4aad-88f1-7a1aae839816"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0e780b18-6dcb-4a94-9a89-24a85c2a7b32",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/19466",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-243e2121-b782-4aad-88f1-7a1aae839816"
  }
}