Create Calendar API not working Properly-Internal server error Response received Even if calendar created in account

Question

HI , I'm creating new calendar using calendars below API using java 21 , spring boot

https://graph.microsoft.com/v1.0/me/calendars

I created calendar name with srushti1 . as request body

when run this query on Graph API explorer it is sending 500 -Internal server response.

But Calendar named with srushti1 is created in account . I need calendar id for this API . which is not receiving in response

Request body
{
    "name" :"srushti1"
}

Received response
error: { 
  code: "ErrorInternalServerError", 
   message: "An internal server error occurred. The operation failed."
}