When you decided to go to trial and let the court decide your fate, you might not have expected that the court would actually convict you. You've probably heard from one source or another that the possibility of appealing a conviction exists. In truth, you can only appeal your conviction under certain circumstances.
Many people believe that they can file an appeal for any error, irregularity or defect that may occur during the trial. However, if the error failed to substantially or materially affect you or your rights, it doesn't provide you with grounds for appeal. The law considers errors that fall into this category as "harmless errors." So, what isn't considered a harmless error?