phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '394c3a0a1baa96feff124aec0d03b440' 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 ('394c3a0a1baa96feff124aec0d03b440', -1, 1769532274, 1769532274, 'd849d814', -4, 0, 0)

Line : 187
File : sessions.php