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 ('67ffce77ba8f1bbd5450e582c10f043a', -1, 1714495395, 1714495395, '0387be65', -9, 0)

Line : 158
File : sessions.php