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 ('da8a0c58b18e744902be26c692495d05', -1, 1748080943, 1748080943, '031769ea', 2, 0, 0)

Line : 190
File : sessions.php