phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd1399b947e24170c49af68b257631657' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('d1399b947e24170c49af68b257631657', -1, 1741611044, 1741611044, '0d3a1732', 5, 0, 0)

Line : 187
File : sessions.php