Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/4322",
    "isFetching": false
  },
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    "id": "window-bbf48df2-ca80-42e2-8062-a6f41e0b83ab",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/4322",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4a4eba4b-ca51-4c4c-a726-c11e74c69a28"
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}