Package check result: ERROR

Check: examples, Result: ERROR
  Running examples in ‘traineR-Ex.R’ failed
  The error most likely occurred in:
  
  > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
  > ### Name: train.xgboost
  > ### Title: train.xgboost
  > ### Aliases: train.xgboost
  > 
  > ### ** Examples
  > 
  > 
  > ## No test: 
  > # Classification
  > data("iris")
  > 
  > n <- seq_len(nrow(iris))
  > .sample <- sample(n, length(n) * 0.75)
  > data.train <- iris[.sample,]
  > data.test <- iris[-.sample,]
  > 
  > modelo.xg <- train.xgboost(Species~., data.train, nrounds = 10, maximize = FALSE)
  Warning in check.deprecation(deprecated_train_params, match.call(), ...) :
    Passed invalid function arguments: eval_metric. These should be passed as a list to argument 'params'. Conversion from argument to 'params' entry will be done automatically, but this behavior will become an error in a future version.
  Warning in throw_err_or_depr_msg("Parameter '", match_old, "' has been renamed to '",  :
    Parameter 'watchlist' has been renamed to 'evals'. This warning will become an error in a future version.
  [1]	train-mlogloss:0.738285 
  [2]	train-mlogloss:0.527359 
  [3]	train-mlogloss:0.390308 
  [4]	train-mlogloss:0.296220 
  [5]	train-mlogloss:0.229717 
  [6]	train-mlogloss:0.181500 
  [7]	train-mlogloss:0.145874 
  [8]	train-mlogloss:0.120036 
  [9]	train-mlogloss:0.100249 
  [10]	train-mlogloss:0.084281 
  Error in model$prmdt <- `*vtmp*` : 
    ALTLIST classes must provide a Set_elt method [class: XGBAltrepPointerClass, pkg: xgboost]
  Calls: train.xgboost -> create.model
  Execution halted