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 ('1d50a2aa7f83a3a4534a0a03d5c352f6', -1, 1715333381, 1715333381, '12762da2', 0, 0, 0)

Line : 189
File : sessions.php