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 ('73dcb09b9bdbbc4fdd1c70c71e6fe1e2', -1, 1713941527, 1713941527, '0315f82f', -6, 0, 0)

Line : 187
File : sessions.php