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 ('7011a66822b87bb18d906025c98c4da0', -1, 1714414374, 1714414374, '03911114', 10, 0)

Line : 158
File : sessions.php