Alright, let's break it down: In the soccer season of 1999-2000, FC Barcelona, one of the biggest soccer clubs in the world, couldn't replicate their spectacular performance from the previous year. Instead, they ended up in the second spot in their domestic league, known as La Liga. The team that won this year was Deportivo La Coruña, with Barcelona just five points behind them. After struggling with performances during the season, the coach at the time, Louis van Gaal, was replaced. A new coach named Lorenzo Serra Ferrer, who had previously coached Real Betis, took over after the 1999-2000 season. Despite this less-than-ideal league performance, Barcelona still managed to make it to the semi-finals of a major international tournament, the UEFA Champions League. However, there they faced another Spanish team, Valencia. Unfortunately for Barcelona, they lost the semi-final game to Valencia, who ended up as runners-up in the competition. In simple terms, it was a disappointing season for Barcelona as they couldn't win their league, but they still made it to the semi-finals of the UEFA Champions League. This means they came very close to making it to the final match of the competition, but unfortunately fell short.