Milter-greylist

Had to reboot MTA yesterday and I see the following in the logs:

Mar 16 20:48:39 mailsrv milter-greylist: dump error at line 939: syntax
error
Mar 16 20:48:39 mailsrv milter-greylist: unknown token " line 944, skipping
Mar 16 20:48:39 mailsrv milter-greylist: dump error at line 944: syntax
error
Mar 16 20:48:39 mailsrv milter-greylist: unknown token "\ufffd" line 944,
skipping
Mar 16 20:48:39 mailsrv milter-greylist: unknown token "\ufffd" line 998,
skipping
Mar 16 20:48:39 mailsrv milter-greylist: dump error at line 998: syntax
error
Mar 16 20:48:39 mailsrv milter-greylist: unknown token "," line 998,
skipping
Mar 16 20:48:39 mailsrv milter-greylist: unknown token "@" line 1267,
skipping
Mar 16 20:48:39 mailsrv milter-greylist: dump error at line 1267: syntax
error
Mar 16 20:48:39 mailsrv milter-greylist: unknown token "\ufffd" line 1267,
skipping
Mar 16 20:48:39 mailsrv milter-greylist: unknown token "\ufffd" line 1444,
skipping
Mar 16 20:48:39 mailsrv milter-greylist: dump error at line 1444: syntax
error
Mar 16 20:48:39 mailsrv milter-greylist: unknown token "" line 1444,
skipping


??? Does anyone knows what's going on here?
Thanks,

Ondrej