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 ('a4f6d7d5e8d1a6973d26026695a66fde', -1, 1714448201, 1714448201, '12bf2b8c', -2, 0)

Line : 158
File : sessions.php