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 ('2cf2b5b0fcf4178f7c1e380b88a891b2', -1, 1713252073, 1713252073, '038a8a90', -1, 0, 0)

Line : 187
File : sessions.php