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 ('3f9c9e5b5ac0a287599c5a09a963cf80', -1, 1713508579, 1713508579, '1276020f', -9, 0, 0)

Line : 187
File : sessions.php