phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO cantautore_phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, is_robot) VALUES ('513890b5f25ea9f11363ef99d3b669fe', -1, 1714152832, 1714152832, '12be9c50', -4, 0, '0', '0')

Line : 175
File : sessions.php