phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '09b620914bac2f62a6829481c7dd4141' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('09b620914bac2f62a6829481c7dd4141', -1, 1769260836, 1769260836, 'd849d814', -4, 0, 0)

Line : 187
File : sessions.php