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) VALUES ('b5e0b9a6dc3b803243cd63d7d6904931', -1, 1714399292, 1714399292, '127768ee', 20, 0)

Line : 158
File : sessions.php