phpBB : Kritična greška

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, session_forum) VALUES ('2c0221e1cdcd4d6fc10b7a6844fc73e6', -1, 1568675740, 1568675740, '035d4b1e', -9, 0, 0, 0)

Line : 190
File : sessions.php