Joan Laporta has assured Barcelona fans that steps will be taken to prevent an 'outrage' similar to their Europa League exit at the hands of Eintracht Frankfurt happening again.
Frankfurt won the second leg of the pair's quarter-final meeting at Camp Nou 2-3 courtesy of a brace from Filip Kostic and goals from Rafael Santos and Evan Ndicka, which ensured they won the tie 4-3 on aggregate.
Speaking after the game, Laporta was visibly stunned by the defeat and revealed his belief that this will be considered a one-off result in the future.
"In football these things can happen and even though we are sad and angry, we have to look to the future and try to fight for the league," he said
"This goes on. We have to get over it and ask that on Monday the fans come to the stadium to support the team."
Since Xavi took over from Ronald Koeman in January Barcelona have been on a good run, with their Europa League exit condemning them to a rare trophyless season.
The Barcelona president then vowed that he would be taking steps to prevent Barcelona from underwhelming again next season.
"It is a shame we have experience this here today. It cannot happen again. We have a lot of information about what has happened and we need time to go over it. Then we will take measures, we will explain them and it will not happen again ever because it is an outrage.
"We cannot avoid certain situations but from now on we will have to be stricter and look at what has been allowed to avoid it in the future. We have experienced an undesirable situation. As a Culer I feel ashamed and I am really sorry about what I have seen," he concluded.
Xavi's side return to La Liga action when they take on Cadiz on 19 April as they try to cement their runners-up spot. They currently trail by fierce rivals Real Madrid by 12 points.