Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/46809",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9a779f0b-2dcf-4e1f-b747-be03b84c4457",
      "cw-83e71961-8d18-4577-bd8b-0dbe5a3c6ec8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-81516bbb-33b2-489d-9b5e-abbf56158af5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/46809",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-83e71961-8d18-4577-bd8b-0dbe5a3c6ec8"
  }
}