I created around 300 training samples and then re-loaded them into training samples manager, with the intention of making edits. However, I decided not to save my edits and so I closed thew project without saving the project (as I had no other changes I had to save). I have come back to the project and tried to re-load the samples again, but I cannot find them. I can find the samples saved as a shapefile but not the feature class file. Have I accidentally deleted my samples? If not, why can't I find them?