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, session_admin) VALUES ('2bee6aba2d49dbc9ea7389f687fd395f', -1, 1713482095, 1713482095, '12bf84c2', -10, 0, 0)

Line : 187
File : sessions.php