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 ('39604432a160a41d4d4e7736035f27a3', -1, 1747396148, 1747396148, '030fa58a', 12, 0, 0)

Line : 190
File : sessions.php