phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '468833f2f4274c5380160c1ecf3a3d20' 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 ('468833f2f4274c5380160c1ecf3a3d20', -1, 1743679817, 1743679817, '12dc8c1a', -12, 0, 0)

Line : 187
File : sessions.php