phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f8521af4ca6cec5875f52ed7e3c82204' 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 ('f8521af4ca6cec5875f52ed7e3c82204', -1, 1561589042, 1561589042, '22cc2465', 4, 0, 0)

Line : 198
File : sessions.php