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 ('92ca3c7e65273dd2f3b57b75c8a5b78a', -1, 1713581123, 1713581123, '038d2fdd', -8, 0, 0)

Line : 187
File : sessions.php