sub saveAccountAccess {
            my $p = shift;
            my $input = $p->{'input'};
            my $session = $p->{'session'};
            my $error = {};
   
            . . .
 if (defined $nickname and length($nickname) != 0) {
    # Check for duplicates error      
    $duplications = &LookForDups($nickname, $p);
    if ($duplications){
       return 'nick_name' => 1,
    }
    &updateNickname($nickname, $p);