ORA-00027 Cannot kill current session Nitish Anand Srivastava / February 22, 2020 Cause: Attempted to use ALTER SYSTEM KILL SESSION to kill the current session. Action: None. Share this: Share on WhatsApp (Opens in new window) WhatsApp Tweet Share on Telegram (Opens in new window) Telegram Email a link to a friend (Opens in new window) Email More Share on Reddit (Opens in new window) Reddit Share on TumblrLike Loading...