You should also give output of sessionInfo() which will allows us to see
your complete setups (package versions wise).


On Tue, Oct 1, 2013 at 9:10 AM, Qi Li <qi.li22@gmail.com> wrote:

> Hello:
>   I installed R and downloaded the most recent IBrokers on a new PC a few
> days ago and ran the sample codes below:
>
>   tws <- twsConnect() # make a new connection to the TWS
>   reqCurrentTime(tws) # check the server’s timestamp
>   contract <- twsEquity("IBKR","SMART","ISLAND") # equity specification
>   reqHistoricalData(tws,contract) # request historical data
>   twsDisconnect(tws)
>
>   I got error message from function reqHistoricalData:
>
> > reqHistoricalData(tws,contract) # request historical data
> waiting for TWS reply on IBKR .... done.
> Error in .Call("dimnames_zoo", x) :
>   "dimnames_zoo" not resolved from current namespace (xts)
>
>   I tested the same codes using the old IBrokers (and old other R
> packages). Everything works fine.
>
>   Does anyone of you know how to fix it using new IBrokers? Thank you.
>
>   Best regards,
> Qi
>
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>
>
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