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 ('d19e4d4e7ffa7502c577dab624c1364d', -1, 1713486341, 1713486341, '038a7ac3', -10, 0, 0)

Line : 187
File : sessions.php