Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68674",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2d09ebfd-4746-4b4e-9874-53b2e0cd8f3b",
      "cw-2bacb72c-c630-4adb-be24-4a34ad478767"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c0a0de57-be80-42ba-b5a9-3e9ce94a86de",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68674",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2bacb72c-c630-4adb-be24-4a34ad478767"
  }
}