phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4b4f60774f6e1a06df5740013f3b1745' 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 ('4b4f60774f6e1a06df5740013f3b1745', -1, 1742213007, 1742213007, '12bcc175', 2, 0, 0)

Line : 187
File : sessions.php