RBloomberg xts quantmod Coercion

I pull the data using RBbloomberg and then I transform to xts using the as.xts

zooxts<-as.xts(eda, dateFormat="Date")


then I run a summary

summary(zooxts)

? ? Index ? ? ? ? ? ? ? ? ? ? ? CL1 COMDTY ? ? ? CL2 COMDTY ? ? ? CL3
COMDTY ? ? ? CJ4 COMDTY
?Min. ? :(11/28/90 08:00:00) ? Min. ? : 10.72 ? Min. ? : 11.02 ? Min.
?: 11.33 ? Min. ? : ?NA
?1st Qu.:(03/10/95 08:00:00) ? 1st Qu.: 19.49 ? 1st Qu.: 19.42 ? 1st
Qu.: 19.31 ? 1st Qu.: ?NA
?Median :(01/19/00 08:00:00) ? Median : 25.80 ? Median : 25.46
Median : 24.98 ? Median : ?NA
?Mean ? :(02/17/00 08:43:43) ? Mean ? : 36.19 ? Mean ? : 36.25 ? Mean
?: 36.25 ? Mean ? : NaN
?3rd Qu.:(12/06/04 08:00:00) ? 3rd Qu.: 48.79 ? 3rd Qu.: 49.15 ? 3rd
Qu.: 49.73 ? 3rd Qu.: ?NA
?Max. ? :(01/27/10 08:00:00) ? Max. ? :145.29 ? Max. ? :145.86 ? Max.
?:146.13 ? Max. ? : ?NA
?NA's ? :2798 ? ? ? ? ? ? ? ? ?NA's ? : ?3.00 ? ? ? ? ? ? ? ? ? ?NA's
?: ?2.00 ? NA's ? :4807
Warning message:
In data.row.names(row.names, rowsi, i) :
?some row.names duplicated:
91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,11

Q1) What is the warning sign for?


Q2) What is the following error for?

chartSeries(naeda[,2])
Error in periodicity(x) : can not calculate periodicity of 1 observation


Thank you