phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('7a1f327ce2cd3b38a0d10d90e4b4b564', -1, 1714609144, 1714609144, '0390478e', 5, 0)

Line : 158
File : sessions.php