phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '271e7f403174fc18411ff9b5b38a8568' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('271e7f403174fc18411ff9b5b38a8568', -1, 1766006769, 1766006769, 'd849d8a2', 2, 0, 0)

Line : 187
File : sessions.php