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 ('199ebba7f155c1dc7fa9fbc3b39a46fd', -1, 1713275216, 1713275216, '039137a9', -4, 0, 0)

Line : 187
File : sessions.php