Unfortunately, I don`t know the disadvantages of the epr systems, but I have heard about the good sides of it. Read an article there, I guess it will make everything clear. You can write me if you still have some questions, I`m always ready to answer it.
Hey! When we speak about web development projects I can see only the pros, specifically the opportunity to control all the business processes with the software programs. That is just the way to reduce time and make some important taskes ready using automatization approaches.