Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81783",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-58cfc765-b5c6-4b47-a6f3-0ab9a19afbe4",
      "cw-d65fbdb8-31e3-4f5a-b82c-f7372040c517"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d74def2f-f933-4258-ad94-8dc257143337",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81783",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d65fbdb8-31e3-4f5a-b82c-f7372040c517"
  }
}