phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '879a92ab8f39e350605cd26008b543e5' 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 ('879a92ab8f39e350605cd26008b543e5', -1, 1768160137, 1768160137, '0aff0001', 40, 0, 0)

Line : 199
File : sessions.php