phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6894f58f3160c9b0d4e7e9a39a6609fe' 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 ('6894f58f3160c9b0d4e7e9a39a6609fe', -1, 1561382322, 1561382322, '36e39da3', 15, 0, 0)

Line : 198
File : sessions.php