Category "mlr3"

Error in makeClassifTask - columns to join must specify "on="

I am getting an error here for the makeClassifTask() from MLR package. task = makeClassifTask(data = data[,2:20441], target='Disease') Entering this I get this

feature importance in mlr3 with iml for classification forests

I calculate feature importance for 2 different types of machine learning models (SVM and Classification Forest). I cannot post the data here, but I describe wha