R help - Aug 2009 - Insert data into database, error. Need help. Thank you.

Dear all,
> I meet a qestion when I insert  data into database. I have checked the data
class and column name with DB table, there is no any issue, so I don't know
how to deal with it. Can you help me. Thanks!
> 
>  
> > sqlSave(channel, df.tmp1, tablename="EMS_SAS_RESULT", append
= TRUE,
> + rownames = FALSE, colnames = FALSE, 
> + addPK = FALSE,  oldstyle=F)
Error: gsub(pattern, replacement, x, ignore.case, extended, fixed) :
>         Correct: > ?> [^[:alnum]_]+'mismatch 
> 
> 
> 
> Best Regards
> 
> ???18?
> 021-50802000-11016
>