phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '02901e3e4dffd936f4452c88fa46ff9b' 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 ('02901e3e4dffd936f4452c88fa46ff9b', -1, 1534797299, 1534797299, '36a7f3d6', -11, 0, 0)

Line : 174
File : sessions.php