The specified holdout parameters, HoldoutMaxPercent=%{holdoutmaxpercent\}, HoldoutMaxCases=%{holdoutmaxcases\}, will cause ...

The specified holdout parameters, HoldoutMaxPercent=%{holdoutmaxpercent\}, HoldoutMaxCases=%{holdoutmaxcases\}, will cause all the cases to be used as the test data set. If you continue, the mining structure will have no training data.