phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '850a17c8ef74ef3e46de057a8477df59' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('850a17c8ef74ef3e46de057a8477df59', -1, 1770413247, 1770413247, 'd849d802', -9, 0)

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