The user works on project 1, selects and computes some features, labels and predicts, and saves the project (or not, it doesn't matter).
Without exiting ilastik, the user immediatly goes to "Project >> New" to start project 2 and to add one or more images.
Then the user goes to "Classfication", adds a few scribbles and presses "Start Live Prediction" or "Train and Predict". That is, he does not select or compute features.
Ilastik happily proceeds, but the predictions are complete rubbish. It seems that everything is predicted as class 1 or so. When I computer features afterwards, everything becomes ok.
The following should not happen: