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 ('e21c0e8b3767a8b7940ab3ec9b2e3a67', -1, 1730424144, 1730424144, '03814326', -1, 0, 0)

Line : 195
File : sessions.php