Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/53085",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-611f5640-e7ac-476c-8654-fea8bf4bc756",
      "cw-f3752c5e-4343-4a82-8cb8-fcf57d3a0ad3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9294ecf9-bf5e-4672-91b3-0a0130f8cf90",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/53085",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f3752c5e-4343-4a82-8cb8-fcf57d3a0ad3"
  }
}