phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'aa7ea379ccdc98e6bf56f2dfedccd401' 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 ('aa7ea379ccdc98e6bf56f2dfedccd401', -1, 1764751737, 1764751737, 'd849d8de', -9, 0, 0)

Line : 187
File : sessions.php