I’m getting the same error as well.
I’ve checked my logs and it says:
{
"date": "2023-03-30T07:18:57.582Z",
"type": "feccft",
"description": "Extensibility internal error",
"connection_id": "",
"client_id": "frcQ2fTWLiV0UqRlLLsCrQrEs8Xbn3Km",
"client_name": "API Explorer Application",
"ip": "35.167.74.121",
"hostname": "dev-rl7kjzjpo7helwyy.uk.auth0.com",
"user_id": "",
"user_name": "",
"audience": "https://dev-rl7kjzjpo7helwyy.uk.auth0.com/api/v2/",
"scope": null,
"log_id": "90020230330071857601268000000000000001223372036856050866",
"_id": "90020230330071857601268000000000000001223372036856050866",
"isMobile": false,
"user_agent": "Other 0.0.0 / Other 0.0.0",
"id": "90020230330071857601268000000000000001223372036856050866"
}