phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b4903c7c17d81addc1f9a4dd4ff56c25' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('b4903c7c17d81addc1f9a4dd4ff56c25', -1, 1770229433, 1770229433, 'd849d802', 2, 0)

Line : 180
File : /www/includes/sessions.php