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 ('f6e53cbd6e80331c90ee38a7f24573d5', -1, 1713272452, 1713272452, '12760755', -10, 0, 0)

Line : 187
File : sessions.php