phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd79cc007c1a1fb9794a916900e7cba3e' 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 ('d79cc007c1a1fb9794a916900e7cba3e', -1, 1773404059, 1773404059, 'd849d835', -4, 0, 0)

Line : 215
File : sessions.php