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 ('8f2555d919ff0f534b43158ca9ad2357', -1, 1714545709, 1714545709, '0385a09c', 18, 0)

Line : 158
File : sessions.php