Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/50336",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-06d81e43-1a0c-40bf-a163-da8ebbe36282",
      "cw-67625e17-a76d-4625-a62f-cbb6fa8ce842"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5a440f02-3e18-4eff-bd50-d3cd0530f22c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/50336",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-67625e17-a76d-4625-a62f-cbb6fa8ce842"
  }
}