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 ('ad834f90d7b2729817d6b405eb27db35', -1, 1714183374, 1714183374, '0d3a7983', 7, 0)

Line : 158
File : sessions.php