Barcelona is more organized and stronger this season than last season. And so fans have high expectations from this team this season. However, this season's Europa League title is much more difficult to win than in previous seasons. Barcelona will face Manchester United in the next match. United is a very strong team. Barcelona is likely to be eliminated even if they lose this match. Also, strong teams like Arsenal are performing very well in Europa League. And Arsenal seems to be the favorite for this year's Europa League.
Honestly the Europa league this season is tough and interesting because of the big clubs participating in it. Barcelona is not weak, they have string players but they will definitely have serious challenges , Manchester United won't be soft with them. Manchester United is the problem Barcelona will have.