R help - Jan 2011 - Problems plotting the efficient frontier with fPortfolio

Hello, I have some simulations of financial data, I have 17 variables
simulated 1000 times to three horizons. I am tring to plot the efficient
frontier which I already obtained  using th fPortfolio package. I am using
the following commands:

Data=timeSeries(X[1,,])
lppSpec <- portfolioSpec()
longFrontier <- portfolioFrontier(Data, lppSpec)
plot(longFrontier)
Selección: 1
Error en dimnames(x) <- dn :
  la longitud de 'dimnames' [1] no es igual a la extensión del
arreglo
> tailoredFrontierPlot(object = longFrontier, mText = "MV Portfolio -
LongOnlyConstraints",risk = "Cov")
Error en dimnames(x) <- dn :
  la longitud de 'dimnames' [1] no es igual a la extensión del arreglo

and getting the error that appears. I also tried to do the same with the
same data changing the solver to "solveRshortExact" and using the
"Short"
constraints and got the same error. Does anybody know what might be going
on? Thank you

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