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 ('441053a28e1d9ec4392677475504e29c', -1, 1714646385, 1714646385, '12e02c6c', -9, 0)

Line : 158
File : sessions.php