phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('798c757fa39707e649655c9173f26d03', -1, 1715144122, 1715144122, '12dd35d1', -4, 0, 0)

Line : 189
File : sessions.php