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 ('4c9154ac052fd1d7cf6cfaab8b011bdb', -1, 1713872883, 1713872883, '12be1c4e', 3, 0, 0)

Line : 187
File : sessions.php