The 73-year-old held the office at the Catalan giants between 2000 and 2003 but despite his disappointment at the defeat in Rome, he believes the club have enjoyed a successful season.
“Messi cannot win the Champions League on his own,” Gaspart fumed on Radio Marca.
“I have a lot of disgust for last night’s result, it was a very sad night for Barcelona but that is football and you must accept it.
“For Barca, we now must focus on the competitions we have left and regardless of last night, this season is a success for us and not a failure.
“We can complete the league title, we can win the cup and we have reached the last eight of the Champions League – I would sign up to this for every season.”