phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'aa768f8b06ef904384b673525fc7f6f2' 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 ('aa768f8b06ef904384b673525fc7f6f2', -1, 1730418679, 1730418679, '03913727', -12, 0, 0)

Line : 187
File : sessions.php