phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '59860a3c786ab72c0846e3c1183602c9' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('59860a3c786ab72c0846e3c1183602c9', -1, 1770158800, 1770158800, 'd849d8a9', 2, 0)

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