adam federici has taken to twitter to apologise for his crucial gaffe in saturday 's fa cup semi-final defeat to arsenal .
the 30-year-old , who was ` inconsolable ' after the match , has received unwavering support from his manager and team-mates but issued an apology to reading 's fans .
adam federici tries in vain to stop alexis sanchez 's strike from going over the line in saturday 's fa cup game .