First...it is NOT an ERJ...!!!
It is having some growing pains, which is typical with any new design aircraft. The biggest thing you'll need to keep up on in class are the acronyms for the systems. MAU, EPM, AICC, MCDU are just some of the many terms you'll hear, and in fact the first 20 pages or so of your class manual are full of them.
"It's not the size of the dog in the fight, but the size of the fight in the dog"