phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ef4137f7f0dd122c1aa830f48b6b1d3e' 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 ('ef4137f7f0dd122c1aa830f48b6b1d3e', -1, 1714781616, 1714781616, 'c0a80201', 30, 0, 0)

Line : 187
File : sessions.php