phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd5f3e3f40506e27f9295e7d813e350df' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('d5f3e3f40506e27f9295e7d813e350df', -1, 1770106934, 1770106934, 'd849d8a9', -9, 0)

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