phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '590dab38480e0dac36eb24f738a77bc3' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('590dab38480e0dac36eb24f738a77bc3', -1, 1770005760, 1770005760, 'd849d8a9', 37, 0)

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