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 ('afc7c341f3f5ed2e8b2c9d9ab3ffc6da', -1, 1714170013, 1714170013, '12bf58f9', -9, 0)

Line : 158
File : sessions.php