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 ('013f723e68fe22d73d7f9a63f4a06b31', -1, 1748219408, 1748219408, '12e21c30', -9, 0, 0)

Line : 190
File : sessions.php