phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0c4694015bf199a455524f4c73714c20' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('0c4694015bf199a455524f4c73714c20', -1, 1771361967, 1771361967, 'd849d87b', 7, 0)

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