phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5a7909d8b8329c965e03d8ae90070512' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('5a7909d8b8329c965e03d8ae90070512', -1, 1770185094, 1770185094, 'd849d8a9', 25, 0)

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