phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '742c7f39ab219b960338b6c0ec9774fc' 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 ('742c7f39ab219b960338b6c0ec9774fc', -1, 1772729134, 1772729134, 'd849d859', -4, 0, 0)

Line : 187
File : sessions.php