Problem displayed in LogWatch, fix it?

[mvhost]

How to fix this problem displayed in my LogWatch


**Unmatched Entries**
Command stream end of file, while reading line user=??? host=[66.113.132.226]: 4 Time(s)
Logout user=??? domain=??? host=UNKNOWN: 64 Time(s)
--------------------- --------------------- --------------------- --------------------- ---------------------


and


--------------------- proftpd-messages Begin ------------------------


Failed FTP Logins:

Invalid Username:
anonymous:
84.184.63.31 : 1 Time(s)

**Unmatched Entries**
leticia.mvhost.com.br (127.0.0.1[127.0.0.1]) - FTP login timed out, disconnected
leticia.mvhost.com.br (127.0.0.1[127.0.0.1]) - FTP login timed out, disconnected
leticia.mvhost.com.br (127.0.0.1[127.0.0.1]) - FTP login timed out, disconnected
leticia.mvhost.com.br (127.0.0.1[127.0.0.1]) - FTP login timed out, disconnected
leticia.mvhost.com.br (127.0.0.1[127.0.0.1]) - FTP login timed out, disconnected
......
.....
...
and very other lines

---------------------- proftpd-messages End -------------------------


thanks!