phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0624735a4e3538f4c10973094f98bc93' 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 ('0624735a4e3538f4c10973094f98bc93', -1, 1788960810, 1788960810, 'c0a858bc', 8, 0, 0)

Line : 187
File : sessions.php