phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ef1ebf6dcb1a705d754498178acc84d7' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ef1ebf6dcb1a705d754498178acc84d7', -1, 1714707711, 1714707711, '12df7711', 0, 0, 0)

Line : 187
File : sessions.php