phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c4f4ff20e26666a51d98a966fd2bf908' 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 ('c4f4ff20e26666a51d98a966fd2bf908', -1, 1714775457, 1714775457, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php