phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c639a7de19dfc755182fc5a4883d83b4' for key 'PRIMARY'

INSERT INTO phpbb_Alfa_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c639a7de19dfc755182fc5a4883d83b4', -1, 1715417683, 1715417683, '0393cd9a', -7, 0, 0)

Line : 189
File : sessions.php