$sth = $dbconn->prepare($sql_statement);
	$sth->execute() or die "Can not execute: " . $sth->errstr;

	$sth->{RaiseError} = 1;

	my $hash = $sth->selectall_hashref($sql_statement); #this is line 166

	$sth->finish;
	
	$dbconn->commit();

	$dbconn->disconnect();