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 ('ed227877407c89d18412a4d4ef0e6b07', -1, 1713928000, 1713928000, '12e318d1', -4, 0, 0)

Line : 187
File : sessions.php