Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/13639",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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      "cw-42760d6c-0dda-482c-a9a5-7eaef3f28238"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-75d74bd1-acab-4652-8f8c-2c226284f50d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/13639",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-42760d6c-0dda-482c-a9a5-7eaef3f28238"
  }
}