Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/74478",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2109768f-b7be-4def-b23b-763b38d21a08",
      "cw-3ee5c062-1e67-4955-97af-ce353a8cb6e4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-93b34925-ab69-4ac1-a245-62b5eb11f326",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/74478",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3ee5c062-1e67-4955-97af-ce353a8cb6e4"
  }
}