phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '478a7b439f3483a47f2783f76fc1e129' 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 ('478a7b439f3483a47f2783f76fc1e129', -1, 1715783702, 1715783702, '12bf8424', 24, 0, 0)

Line : 187
File : sessions.php